diff --git a/CHANGELOG b/CHANGELOG
index dd576dddf6813122411def05d053934c9670644f..f741b55be8c02f96bb149f3457e85661193933fa 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,8 @@
+minerva (18.2.0) stable; urgency=medium
+  * Small improvement: add source data to data overlay (#2228)
+
+ -- Piotr Gawron <piotr.gawron@uni.lu>  Thu, 13 Mar 2025 13:00:00 +0200
+
 minerva (18.1.1) stable; urgency=medium
   * Bug fix: SBGN-ML import/export should not use compartmentOrder for
     non-compartment entities (#2193)
diff --git a/CellDesigner-plugin/pom.xml b/CellDesigner-plugin/pom.xml
index 8b4f056695b8fd90cce5ae6825286ee6de0f66b5..3acc9fd0e1731e72167955bf512b5e8d914c4455 100644
--- a/CellDesigner-plugin/pom.xml
+++ b/CellDesigner-plugin/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>CellDesigner-plugin</artifactId>
 	<!-- dependency from the MapViewer model -->
@@ -50,19 +50,19 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>commons</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-CellDesigner</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
diff --git a/annotation/pom.xml b/annotation/pom.xml
index 638da580c3ee78b2caa19bc82d88efe16357c410..369d15c30b394069af5e1669c47eff389b8eb85f 100644
--- a/annotation/pom.xml
+++ b/annotation/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>annotation</artifactId>
 	<name>Annotation module</name>
@@ -19,7 +19,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the MapViewer dao -->
@@ -27,7 +27,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>persist</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the MapViewer cell designer parser (we need access 
@@ -35,13 +35,13 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-CellDesigner</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Log4J2 -->
diff --git a/commons/pom.xml b/commons/pom.xml
index 2f6112442c1769a4b93bdd2e74730de78c06f8b3..d3fc7132a7314ee5bf6c721074223c8baa2850be 100644
--- a/commons/pom.xml
+++ b/commons/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>commons</artifactId>
 	<name>Mapviewer commons</name>
diff --git a/converter-CellDesigner/pom.xml b/converter-CellDesigner/pom.xml
index 38b05a88d2995936f20557e785dde0f507844033..85c3b2d5cca9f028c2a3a0c33784d26062279788 100644
--- a/converter-CellDesigner/pom.xml
+++ b/converter-CellDesigner/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>converter-CellDesigner</artifactId>
 	<name>CellDesigner converter</name>
@@ -17,13 +17,13 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Log4J2 -->
diff --git a/converter-SBGNML/pom.xml b/converter-SBGNML/pom.xml
index 78cf9295a016e5140fb766c994f2873fb4d7cfea..cb585d9ed400d284413156bcefa26e60253e9c47 100644
--- a/converter-SBGNML/pom.xml
+++ b/converter-SBGNML/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>converter-SBGNML</artifactId>
 
@@ -20,26 +20,26 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>persist</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-CellDesigner</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-graphics</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
diff --git a/converter-graphics/pom.xml b/converter-graphics/pom.xml
index e39210329eb33e7aa21b3655ca773b526f9d0ddd..eefcb9cd6f67274448ca2f1aa36cea951f80361a 100644
--- a/converter-graphics/pom.xml
+++ b/converter-graphics/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>converter-graphics</artifactId>
 	<name>MapViewer graphics converter</name>
@@ -18,13 +18,13 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model-command</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Log4J2 -->
diff --git a/converter-sbml/pom.xml b/converter-sbml/pom.xml
index d0c6e4105a9e9d6d03f91dbbbcbfe789a3d25e8a..5ad0853a701bf73e8d7cc0383b83ead66b64ec60 100644
--- a/converter-sbml/pom.xml
+++ b/converter-sbml/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>converter-sbml</artifactId>
 	<name>converter-sbml</name>
@@ -40,22 +40,22 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model-command</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-CellDesigner</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Log4J2 -->
@@ -167,7 +167,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-graphics</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 			<scope>test</scope>
 		</dependency>
 
diff --git a/converter/pom.xml b/converter/pom.xml
index f6e53dd58ab98742e450874329f9372773c17266..70eac0c67a063a330ba4382cf04d611d4166c750 100644
--- a/converter/pom.xml
+++ b/converter/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>lcsb.mapviewer</groupId>
     <artifactId>parent</artifactId>
-    <version>18.1.1</version>
+    <version>18.2.0</version>
   </parent>
   
   <artifactId>converter</artifactId>
@@ -15,7 +15,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
       <artifactId>model</artifactId>
-      <version>18.1.1</version>
+      <version>18.2.0</version>
     </dependency>
 		<dependency>
 			<groupId>xerces</groupId>
diff --git a/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaColumn.java b/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaColumn.java
index 8ff5134345db0facf9a156a4c713ad51a3e9955d..109c1d7ba4221d13035403962b4346b1c21c29e5 100644
--- a/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaColumn.java
+++ b/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaColumn.java
@@ -1,124 +1,123 @@
 package lcsb.mapviewer.converter;
 
+import lcsb.mapviewer.model.overlay.DataOverlayType;
+
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
-import lcsb.mapviewer.model.overlay.DataOverlayType;
-
 /**
  * This enum defines which columns are available for defining
  * {@link lcsb.mapviewer.model.map.layout.ColorSchema}.
- * 
+ *
  * @author Piotr Gawron
- * 
  */
 public enum ColorSchemaColumn {
 
   /**
    * Name of the element.
    */
-  NAME(new DataOverlayType[] { DataOverlayType.GENERIC }),
+  NAME(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
-  GENE_NAME(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  GENE_NAME(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Name of the map.
    */
-  MAP_NAME(new DataOverlayType[] { DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT }),
+  MAP_NAME(new DataOverlayType[]{DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT}),
+
+  SOURCE_DATA(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
   /**
    * Value that will be transformed into new color.
-   * 
+   *
    * @see ColorSchemaColumn#COLOR
    */
-  VALUE(new DataOverlayType[] { DataOverlayType.GENERIC }),
+  VALUE(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
   /**
    * In which compartment the element should be located.
    */
-  COMPARTMENT(new DataOverlayType[] { DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT }),
+  COMPARTMENT(new DataOverlayType[]{DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Class type of the element.
    */
-  TYPE(new DataOverlayType[] { DataOverlayType.GENERIC }),
+  TYPE(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
   /**
    * New element/reaction color.
    */
-  COLOR(new DataOverlayType[] { DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT }),
+  COLOR(new DataOverlayType[]{DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Identifier of the element.
    */
-  IDENTIFIER(new DataOverlayType[] { DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT }),
+  IDENTIFIER(new DataOverlayType[]{DataOverlayType.GENERIC, DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Element identifier.
    */
-  ELEMENT_IDENTIFIER(new DataOverlayType[] { DataOverlayType.GENERIC }),
+  ELEMENT_IDENTIFIER(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
   /**
    * New line width of the reaction.
    */
-  LINE_WIDTH(new DataOverlayType[] { DataOverlayType.GENERIC }),
+  LINE_WIDTH(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
   /**
    * Position where gene variants starts.
    */
-  POSITION(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  POSITION(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Original DNA of the variant.
    */
-  ORIGINAL_DNA(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  ORIGINAL_DNA(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Alternative DNA of the variant.
    */
-  ALTERNATIVE_DNA(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  ALTERNATIVE_DNA(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Short description of the entry.
    */
-  DESCRIPTION(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT, DataOverlayType.GENERIC }),
+  DESCRIPTION(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT, DataOverlayType.GENERIC}),
 
   /**
    * Contig where variant was observed.
    */
-  CONTIG(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  CONTIG(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
-  CHROMOSOME(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  CHROMOSOME(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
-  ALLELE_FREQUENCY(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  ALLELE_FREQUENCY(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
-  VARIANT_IDENTIFIER(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT }),
+  VARIANT_IDENTIFIER(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT}),
 
   /**
    * Should the direction of reaction be reversed.
    */
-  REVERSE_REACTION(new DataOverlayType[] { DataOverlayType.GENERIC }),
+  REVERSE_REACTION(new DataOverlayType[]{DataOverlayType.GENERIC}),
 
   /**
    * Optional amino acid change in the variant.
    */
-  AMINO_ACID_CHANGE(new DataOverlayType[] { DataOverlayType.GENETIC_VARIANT });
+  AMINO_ACID_CHANGE(new DataOverlayType[]{DataOverlayType.GENETIC_VARIANT});
 
   /**
    * Set of types where column is allowed.
    */
-  private Set<DataOverlayType> types = new HashSet<>();
+  private final Set<DataOverlayType> types = new HashSet<>();
 
   /**
    * Default constructor that creates enum entry.
    *
-   * @param types
-   *          list of {@link DataOverlayType types} where this column is allowed
+   * @param types list of {@link DataOverlayType types} where this column is allowed
    */
   ColorSchemaColumn(final DataOverlayType[] types) {
-    for (final DataOverlayType colorSchemaType : types) {
-      this.types.add(colorSchemaType);
-    }
+    Collections.addAll(this.types, types);
   }
 
   public String getColumnName() {
diff --git a/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaReader.java b/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaReader.java
index 03c368cd9387a50eaf58581e92520cbd37b611e4..f6eef6f01d1544e20b11d254420ac3c4c4bbaaf5 100644
--- a/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaReader.java
+++ b/converter/src/main/java/lcsb/mapviewer/converter/ColorSchemaReader.java
@@ -52,9 +52,9 @@ import lcsb.mapviewer.model.overlay.InvalidDataOverlayException;
 /**
  * Class that reads information about set of {@link DataOverlayEntry color
  * schemas} from the input file.
- * 
+ *
  * @author Piotr Gawron
- * 
+ *
  */
 public class ColorSchemaReader {
 
@@ -104,7 +104,7 @@ public class ColorSchemaReader {
   /**
    * Reads information about set of {@link DataOverlayEntry color schemas} from
    * the input stream.
-   * 
+   *
    * @param colorInputStream
    *          input stream with {@link DataOverlayEntry}
    * @param params
@@ -150,7 +150,7 @@ public class ColorSchemaReader {
   /**
    * Reads information about set of {@link DataOverlayEntry color schemas} from
    * the filename.
-   * 
+   *
    * @param filename
    *          file with {@link DataOverlayEntry}
    * @return list of coloring schemas
@@ -172,7 +172,7 @@ public class ColorSchemaReader {
   /**
    * Reads information about set of {@link DataOverlayEntry color schemas} from
    * the input stream represented as byte array.
-   * 
+   *
    * @param inputData
    *          source in form of byte array
    * @return list of coloring schemas
@@ -198,7 +198,7 @@ public class ColorSchemaReader {
   /**
    * Reads information about set of {@link GeneVariantDataOverlayEntry gene
    * variant color schemas} from the input stream.
-   * 
+   *
    * @param colorInputStream
    *          input stream with {@link GeneVariantDataOverlayEntry}
    * @param params
@@ -372,7 +372,7 @@ public class ColorSchemaReader {
   /**
    * Sets proper value of identifier to {@link DataOverlayEntry} from cell
    * content.
-   * 
+   *
    * @param schema
    *          {@link DataOverlayEntry} where name should be set
    * @param type
@@ -388,7 +388,7 @@ public class ColorSchemaReader {
 
   /**
    * Sets proper name to {@link DataOverlayEntry} from cell content.
-   * 
+   *
    * @param schema
    *          {@link DataOverlayEntry} where name should be set
    * @param content
@@ -406,10 +406,17 @@ public class ColorSchemaReader {
     }
   }
 
+
+  private void processSourceDataColumn(final DataOverlayEntry schema, final String content) {
+    if (!content.isEmpty()) {
+      schema.setSourceData(content);
+    }
+  }
+
   /**
    * Sets proper compartment names to {@link DataOverlayEntry} from cell
    * content.
-   * 
+   *
    * @param schema
    *          {@link DataOverlayEntry} where name should be set
    * @param content
@@ -425,7 +432,7 @@ public class ColorSchemaReader {
 
   /**
    * Transforms string into {@link ReferenceGenomeType}.
-   * 
+   *
    * @param referenceGenomeStr
    *          type as a string
    * @return {@link ReferenceGenomeType} obtained from input string
@@ -450,13 +457,13 @@ public class ColorSchemaReader {
   /**
    * Merges collection of {@link DataOverlayEntry} that might contain duplicate
    * names into collection that doesn't have duplicate names.
-   * 
+   *
    * @param schemas
    *          {@link Collection} of {@link DataOverlayEntry} that might contain
    *          duplicate name
    * @return {@link Collection} of {@link DataOverlayEntry} that doesn't contain
    *         duplicate names
-   * 
+   *
    */
   private Collection<DataOverlayEntry> mergeSchemas(final Collection<DataOverlayEntry> schemas) {
     Map<String, DataOverlayEntry> schemasByName = new HashMap<>();
@@ -500,7 +507,7 @@ public class ColorSchemaReader {
 
   /**
    * Gets color that should be assigned to {@link GeneVariantDataOverlayEntry}.
-   * 
+   *
    * @param geneVariations
    *          list of variants
    * @return {@link Color} that should be assigned to
@@ -519,7 +526,7 @@ public class ColorSchemaReader {
   /**
    * Reads information about set of {@link GenericDataOverlayEntry generic color
    * schemas} from the input stream.
-   * 
+   *
    * @param colorInputStream
    *          input stream with {@link GenericDataOverlayEntry}
    * @return list of coloring schemas
@@ -549,17 +556,18 @@ public class ColorSchemaReader {
       Map<ColorSchemaColumn, Integer> schemaColumns = new HashMap<>();
       List<Pair<MiriamType, Integer>> customIdentifiers = parseColumns(columns, schemaColumns, DataOverlayType.GENERIC);
 
-      Integer valueColumn = schemaColumns.get(ColorSchemaColumn.VALUE);
-      Integer colorColumn = schemaColumns.get(ColorSchemaColumn.COLOR);
-      Integer nameColumn = schemaColumns.get(ColorSchemaColumn.NAME);
-      Integer modelNameColumn = schemaColumns.get(ColorSchemaColumn.MAP_NAME);
-      Integer identifierColumn = schemaColumns.get(ColorSchemaColumn.IDENTIFIER);
-      Integer elementIdentifierColumn = schemaColumns.get(ColorSchemaColumn.ELEMENT_IDENTIFIER);
-      Integer compartmentColumn = schemaColumns.get(ColorSchemaColumn.COMPARTMENT);
-      Integer typeColumn = schemaColumns.get(ColorSchemaColumn.TYPE);
-      Integer lineWidthColumn = schemaColumns.get(ColorSchemaColumn.LINE_WIDTH);
-      Integer reverseReactionColumn = schemaColumns.get(ColorSchemaColumn.REVERSE_REACTION);
-      Integer descriptionColumn = schemaColumns.get(ColorSchemaColumn.DESCRIPTION);
+      final Integer valueColumn = schemaColumns.get(ColorSchemaColumn.VALUE);
+      final Integer colorColumn = schemaColumns.get(ColorSchemaColumn.COLOR);
+      final Integer nameColumn = schemaColumns.get(ColorSchemaColumn.NAME);
+      final Integer modelNameColumn = schemaColumns.get(ColorSchemaColumn.MAP_NAME);
+      final Integer sourceDataColumn = schemaColumns.get(ColorSchemaColumn.SOURCE_DATA);
+      final Integer identifierColumn = schemaColumns.get(ColorSchemaColumn.IDENTIFIER);
+      final Integer elementIdentifierColumn = schemaColumns.get(ColorSchemaColumn.ELEMENT_IDENTIFIER);
+      final Integer compartmentColumn = schemaColumns.get(ColorSchemaColumn.COMPARTMENT);
+      final Integer typeColumn = schemaColumns.get(ColorSchemaColumn.TYPE);
+      final Integer lineWidthColumn = schemaColumns.get(ColorSchemaColumn.LINE_WIDTH);
+      final Integer reverseReactionColumn = schemaColumns.get(ColorSchemaColumn.REVERSE_REACTION);
+      final Integer descriptionColumn = schemaColumns.get(ColorSchemaColumn.DESCRIPTION);
 
       if (nameColumn == null && identifierColumn == null && customIdentifiers.size() == 0
           && elementIdentifierColumn == null) {
@@ -594,6 +602,9 @@ public class ColorSchemaReader {
         if (modelNameColumn != null) {
           processModelNameColumn(schema, values[modelNameColumn]);
         }
+        if (sourceDataColumn != null) {
+          processSourceDataColumn(schema, values[sourceDataColumn]);
+        }
         if (valueColumn != null) {
           schema.setValue(parseValueColumn(values[valueColumn], errorPrefix));
         }
@@ -715,7 +726,7 @@ public class ColorSchemaReader {
   /**
    * Sets proper reaction identifier to {@link DataOverlayEntry} from cell
    * content.
-   * 
+   *
    * @param schema
    *          {@link DataOverlayEntry} where name should be set
    * @param content
@@ -731,7 +742,7 @@ public class ColorSchemaReader {
   /**
    * Transform headers of columns into map with {@link ColorSchemaColumn column
    * types} to column number.
-   * 
+   *
    * @param columns
    *          headers of columns
    * @param schemaColumns
@@ -787,7 +798,7 @@ public class ColorSchemaReader {
 
   /**
    * Returns list of columns that should be printed for given coloring schemas.
-   * 
+   *
    * @param schemas
    *          list of schemas
    * @return list of columns that should be printed (were set in the coloring
diff --git a/converter/src/test/java/lcsb/mapviewer/converter/ColorSchemaReaderTest.java b/converter/src/test/java/lcsb/mapviewer/converter/ColorSchemaReaderTest.java
index 26653afab2446c851c69f1181a529a5972bc4ed1..e6a507c1f951a3c15d8c77e171780d5333a426a8 100644
--- a/converter/src/test/java/lcsb/mapviewer/converter/ColorSchemaReaderTest.java
+++ b/converter/src/test/java/lcsb/mapviewer/converter/ColorSchemaReaderTest.java
@@ -1,15 +1,22 @@
 package lcsb.mapviewer.converter;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
+import lcsb.mapviewer.common.Configuration;
+import lcsb.mapviewer.common.TextFileUtils;
+import lcsb.mapviewer.model.map.BioEntity;
+import lcsb.mapviewer.model.map.MiriamData;
+import lcsb.mapviewer.model.overlay.DataOverlayEntry;
+import lcsb.mapviewer.model.overlay.GeneVariant;
+import lcsb.mapviewer.model.overlay.GeneVariantDataOverlayEntry;
+import lcsb.mapviewer.model.overlay.InvalidDataOverlayException;
+import org.apache.commons.io.output.ByteArrayOutputStream;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
 
 import java.awt.Color;
 import java.io.ByteArrayInputStream;
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
@@ -18,19 +25,10 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.io.output.ByteArrayOutputStream;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Test;
-
-import lcsb.mapviewer.common.Configuration;
-import lcsb.mapviewer.common.TextFileUtils;
-import lcsb.mapviewer.model.map.BioEntity;
-import lcsb.mapviewer.model.map.MiriamData;
-import lcsb.mapviewer.model.overlay.DataOverlayEntry;
-import lcsb.mapviewer.model.overlay.GeneVariant;
-import lcsb.mapviewer.model.overlay.GeneVariantDataOverlayEntry;
-import lcsb.mapviewer.model.overlay.InvalidDataOverlayException;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
 public class ColorSchemaReaderTest extends ConverterTestFunctions {
 
@@ -89,7 +87,7 @@ public class ColorSchemaReaderTest extends ConverterTestFunctions {
     assertEquals(1, schemas.size());
   }
 
-  private byte[] fileToByteArray(final File f) throws FileNotFoundException, IOException {
+  private byte[] fileToByteArray(final File f) throws IOException {
     InputStream in = new FileInputStream(f);
 
     byte[] buff = new byte[8000];
@@ -124,6 +122,7 @@ public class ColorSchemaReaderTest extends ConverterTestFunctions {
     for (final GeneVariant geneVariant : schema.getGeneVariants()) {
       if (geneVariant.getAminoAcidChange() != null && !geneVariant.getAminoAcidChange().trim().isEmpty()) {
         aaChangeFound = true;
+        break;
       }
     }
     assertTrue("Amino acid are not present in parsed data", aaChangeFound);
@@ -362,4 +361,17 @@ public class ColorSchemaReaderTest extends ConverterTestFunctions {
     assertEquals(2, schemas.size());
   }
 
+  @Test
+  public void testColoringWithSourceData() throws Exception {
+    String input = "name\tcolor\tsource_data\n"
+        + "s1\t#ff0000\txxx\n";
+    Map<String, String> params = new HashMap<>();
+    params.put(TextFileUtils.COLUMN_COUNT_PARAM, "3");
+
+    Collection<DataOverlayEntry> schemas = reader
+        .readColorSchema(new ByteArrayInputStream(input.getBytes(StandardCharsets.UTF_8)), params);
+    assertEquals(1, schemas.size());
+    assertNotNull(schemas.iterator().next().getSourceData());
+  }
+
 }
diff --git a/frontend-js/pom.xml b/frontend-js/pom.xml
index daec87d496ea05af35838ed4180cec4270145617..86beb1b4b44f8666d993f1f7e8e8c853368a94be 100644
--- a/frontend-js/pom.xml
+++ b/frontend-js/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>frontend-js</artifactId>
 	<name>frontend-js</name>
diff --git a/model-command/pom.xml b/model-command/pom.xml
index 0ea553bece32b80c7ba215b0b907fd3ebf21acd4..6c6d2bfd59e6c2e8ee9e44716bdadf7de6b98352 100644
--- a/model-command/pom.xml
+++ b/model-command/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <groupId>lcsb.mapviewer</groupId>
     <artifactId>parent</artifactId>
-    <version>18.1.1</version>
+    <version>18.2.0</version>
   </parent>
   <artifactId>model-command</artifactId>
   <name>Model commands</name>
@@ -16,7 +16,7 @@
 		<dependency>
     	<groupId>lcsb.mapviewer</groupId>
       <artifactId>model</artifactId>
-      <version>18.1.1</version>
+      <version>18.2.0</version>
     </dependency>
     
 
@@ -24,7 +24,7 @@
 		<dependency>
       <groupId>lcsb.mapviewer</groupId>
       <artifactId>converter-CellDesigner</artifactId>
-      <version>18.1.1</version>
+      <version>18.2.0</version>
     </dependency>
 
 		<!-- Log4J2-->
diff --git a/model/pom.xml b/model/pom.xml
index 5cbdcfe395d865a17f0faf0a8739ae9778f6255b..41c41790d11a23e4db072e9098898bf1ac7cae3e 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>model</artifactId>
 	<name>model MapViewer</name>
@@ -15,7 +15,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>commons</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Java xml serialization -->
diff --git a/model/src/main/java/lcsb/mapviewer/model/overlay/DataOverlayEntry.java b/model/src/main/java/lcsb/mapviewer/model/overlay/DataOverlayEntry.java
index ed607001086bebfdd6c96d6192fe9b238680900d..db715cc745a7862ef1eafeb7ef314b41dc574f15 100644
--- a/model/src/main/java/lcsb/mapviewer/model/overlay/DataOverlayEntry.java
+++ b/model/src/main/java/lcsb/mapviewer/model/overlay/DataOverlayEntry.java
@@ -60,6 +60,8 @@ public abstract class DataOverlayEntry implements Serializable {
    */
   private String modelName = null;
 
+  private String sourceData = null;
+
   /**
    * Original identifier of the {@link BioEntity} to change the color.
    */
@@ -415,4 +417,12 @@ public abstract class DataOverlayEntry implements Serializable {
   public void setDataOverlay(final DataOverlay dataOverlay) {
     this.dataOverlay = dataOverlay;
   }
+
+  public String getSourceData() {
+    return sourceData;
+  }
+
+  public void setSourceData(final String sourceData) {
+    this.sourceData = sourceData;
+  }
 }
diff --git a/pathvisio/pom.xml b/pathvisio/pom.xml
index db2cc0845e8c7fb53eae2b60d550c018b9fbfdf6..13ac79c89e5873575b3e9b8cdc5afffc17c9c6d9 100644
--- a/pathvisio/pom.xml
+++ b/pathvisio/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>pathvisio</artifactId>
 	<name>Pathvisio plugin</name>
@@ -77,26 +77,26 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-CellDesigner</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-graphics</artifactId>
 			<scope>test</scope>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model-command</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Log4J2 -->
diff --git a/persist/pom.xml b/persist/pom.xml
index 9d4f4f2f6ed517234f83f1691d1968490e307b6e..ed46065d06b37f9a16b3e5b739768dbd6966ce93 100644
--- a/persist/pom.xml
+++ b/persist/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 
 	<artifactId>persist</artifactId>
@@ -26,7 +26,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Hibernate -->
diff --git a/persist/src/main/resources/db/migration/hsql/18.2.0/V18.0.8.20250313__add_source_data_to_overlay_entry.sql b/persist/src/main/resources/db/migration/hsql/18.2.0/V18.0.8.20250313__add_source_data_to_overlay_entry.sql
new file mode 100644
index 0000000000000000000000000000000000000000..93bdf335b425a96afa88944f55f26861edd085f4
--- /dev/null
+++ b/persist/src/main/resources/db/migration/hsql/18.2.0/V18.0.8.20250313__add_source_data_to_overlay_entry.sql
@@ -0,0 +1,2 @@
+alter table data_overlay_entry_table
+    add column source_data character varying(255);
diff --git a/persist/src/main/resources/db/migration/postgres/18.2.0/V18.0.8.20250313__add_source_data_to_overlay_entry.sql b/persist/src/main/resources/db/migration/postgres/18.2.0/V18.0.8.20250313__add_source_data_to_overlay_entry.sql
new file mode 100644
index 0000000000000000000000000000000000000000..93bdf335b425a96afa88944f55f26861edd085f4
--- /dev/null
+++ b/persist/src/main/resources/db/migration/postgres/18.2.0/V18.0.8.20250313__add_source_data_to_overlay_entry.sql
@@ -0,0 +1,2 @@
+alter table data_overlay_entry_table
+    add column source_data character varying(255);
diff --git a/pom.xml b/pom.xml
index 918085bc04c4b33d27c5d506e7d95139bf0dc57a..1da2a839dcab9de69dc066e8977a8e1e125ea99c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
 	<groupId>lcsb.mapviewer</groupId>
 	<artifactId>parent</artifactId>
-	<version>18.1.1</version>
+	<version>18.2.0</version>
 	<packaging>pom</packaging>
 
 	<name>parent MapViewer</name>
diff --git a/rest-api/pom.xml b/rest-api/pom.xml
index f92e224b3f69c46cc3add662e599ff4eb2b1811a..2924cf6bbfdb21c8391feff86509462297143d5d 100644
--- a/rest-api/pom.xml
+++ b/rest-api/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>rest-api</artifactId>
 	<name>rest-api</name>
@@ -19,19 +19,19 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>service</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>pathvisio</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
diff --git a/rest-api/src/main/java/lcsb/mapviewer/api/projects/overlays/OverlayEntryDTOSerializer.java b/rest-api/src/main/java/lcsb/mapviewer/api/projects/overlays/OverlayEntryDTOSerializer.java
index 64932af3e8c3c408d625fbda919bcaca764744af..99fb059d98ea877aeac93eddf75b336e8cd1401b 100644
--- a/rest-api/src/main/java/lcsb/mapviewer/api/projects/overlays/OverlayEntryDTOSerializer.java
+++ b/rest-api/src/main/java/lcsb/mapviewer/api/projects/overlays/OverlayEntryDTOSerializer.java
@@ -1,27 +1,26 @@
 package lcsb.mapviewer.api.projects.overlays;
 
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.List;
-import java.util.Objects;
-
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.JsonSerializer;
 import com.fasterxml.jackson.databind.SerializerProvider;
 import com.fasterxml.jackson.databind.ser.FilterProvider;
 import com.fasterxml.jackson.databind.ser.PropertyFilter;
-
 import lcsb.mapviewer.api.projects.overlays.OverlayController.OverlayEntryDTO;
 import lcsb.mapviewer.model.overlay.DataOverlayType;
 import lcsb.mapviewer.model.overlay.GeneVariantDataOverlayEntry;
 import lcsb.mapviewer.modelutils.serializer.CustomExceptFilter;
 import lcsb.mapviewer.modelutils.serializer.model.map.ElementIdentifierType;
 
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+
 public class OverlayEntryDTOSerializer extends JsonSerializer<OverlayEntryDTO> {
 
   @Override
   public void serialize(final OverlayEntryDTO entry, final JsonGenerator gen,
-      final SerializerProvider serializers)
+                        final SerializerProvider serializers)
       throws IOException {
 
     PropertyFilter filter = null;
@@ -60,6 +59,9 @@ public class OverlayEntryDTOSerializer extends JsonSerializer<OverlayEntryDTO> {
         case "description":
           value = entry.getEntry().getDescription();
           break;
+        case "sourcedata":
+          value = entry.getEntry().getSourceData();
+          break;
         case "width":
           if (Objects.equals(entry.getType(), ElementIdentifierType.REACTION)) {
             value = entry.getEntry().getLineWidth();
@@ -78,7 +80,7 @@ public class OverlayEntryDTOSerializer extends JsonSerializer<OverlayEntryDTO> {
           if (entry.getEntry() instanceof GeneVariantDataOverlayEntry) {
             value = ((GeneVariantDataOverlayEntry) entry.getEntry()).getGeneVariants();
           } else {
-            value = new Object[] {};
+            value = new Object[]{};
           }
           break;
         default:
@@ -102,6 +104,7 @@ public class OverlayEntryDTOSerializer extends JsonSerializer<OverlayEntryDTO> {
         "type",
         "geneVariations",
         "uniqueId",
+        "sourceData",
         "width");
   }
 
diff --git a/service/pom.xml b/service/pom.xml
index b1131cba882e95d958b840e48b6484ee1c9aa6cd..16fb7b20328bb6062b39c379b929ac40b5df8651 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 
 	<artifactId>service</artifactId>
@@ -19,7 +19,7 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the MapViewer dao -->
@@ -27,47 +27,47 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>persist</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>model-command</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>annotation</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the MapViewer cell designer parser -->
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-CellDesigner</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the MapViewer SBGN-ML parser -->
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-SBGNML</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the MapViewer graphics converter -->
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-graphics</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- dependency from the SBML parser -->
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>converter-sbml</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<!-- Log4J2 -->
diff --git a/web/pom.xml b/web/pom.xml
index a7feec46e84d6994eefafd9bd66e7f97b7d29c98..fb8565aa8a1911d81b959b1cce63e798baca6dcb 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>lcsb.mapviewer</groupId>
 		<artifactId>parent</artifactId>
-		<version>18.1.1</version>
+		<version>18.2.0</version>
 	</parent>
 	<artifactId>web</artifactId>
 	<packaging>jar</packaging>
@@ -36,19 +36,19 @@
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>service</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>rest-api</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
 			<groupId>lcsb.mapviewer</groupId>
 			<artifactId>frontend-js</artifactId>
-			<version>18.1.1</version>
+			<version>18.2.0</version>
 		</dependency>
 
 		<dependency>
diff --git a/web/src/test/java/lcsb/mapviewer/web/OverlayControllerIntegrationTest.java b/web/src/test/java/lcsb/mapviewer/web/OverlayControllerIntegrationTest.java
index 88fe296228dcc102ceab4486103ee1e7187c397a..7733dc5cda6abcf1169f810314697f48a2061388 100644
--- a/web/src/test/java/lcsb/mapviewer/web/OverlayControllerIntegrationTest.java
+++ b/web/src/test/java/lcsb/mapviewer/web/OverlayControllerIntegrationTest.java
@@ -631,6 +631,32 @@ public class OverlayControllerIntegrationTest extends ControllerIntegrationTest
     assertEquals(1, dataOverlayService.getDataOverlaysByProject(project).size());
   }
 
+  @Test
+  public void testAdminCreateOverlayWithSourceData() throws Exception {
+    final User admin = userService.getUserByLogin(BUILT_IN_TEST_ADMIN_LOGIN);
+
+    final UploadedFileEntry file = createFile("element_identifier\tvalue\tsource_data\n\t-1\txxx", admin);
+
+    final MockHttpSession session = createSession(BUILT_IN_TEST_ADMIN_LOGIN, BUILT_IN_TEST_ADMIN_PASSWORD);
+
+    final String body = EntityUtils.toString(new UrlEncodedFormEntity(Arrays.asList(
+        new BasicNameValuePair("fileId", String.valueOf(file.getId())),
+        new BasicNameValuePair("name", "overlay name"),
+        new BasicNameValuePair("description", "overlay name"),
+        new BasicNameValuePair("filename", "overlay name"),
+        new BasicNameValuePair("type", "GENERIC"))));
+
+    final RequestBuilder request = post("/minerva/api/projects/{projectId}/overlays/", TEST_PROJECT)
+        .contentType(MediaType.APPLICATION_FORM_URLENCODED)
+        .content(body)
+        .session(session);
+
+    mockMvc.perform(request)
+        .andExpect(status().is2xxSuccessful());
+
+    assertEquals(1, dataOverlayService.getDataOverlaysByProject(project).size());
+  }
+
   @Test
   public void testAdminCreateOverlayFromContent() throws Exception {
     final MockHttpSession session = createSession(BUILT_IN_TEST_ADMIN_LOGIN, BUILT_IN_TEST_ADMIN_PASSWORD);
@@ -1448,6 +1474,10 @@ public class OverlayControllerIntegrationTest extends ControllerIntegrationTest
             .description("description assigned to the bioEntity from overlay")
             .type(JsonFieldType.STRING)
             .optional(),
+        fieldWithPath("overlayContent.sourceData")
+            .description("source data")
+            .type(JsonFieldType.STRING)
+            .optional(),
         fieldWithPath("overlayContent.geneVariations")
             .description("list of gene variants assigned to the bioEntity from overlay")
             .type(JsonFieldType.ARRAY)
diff --git a/web/src/test/java/lcsb/mapviewer/web/api/NewApiDocs.java b/web/src/test/java/lcsb/mapviewer/web/api/NewApiDocs.java
index 13293284c354ec1fc344b6bc9ffeb45cc6b82ea9..72b1da5f351aa75e06aa7df5df1ecf3b130f170e 100644
--- a/web/src/test/java/lcsb/mapviewer/web/api/NewApiDocs.java
+++ b/web/src/test/java/lcsb/mapviewer/web/api/NewApiDocs.java
@@ -129,6 +129,10 @@ public class NewApiDocs {
         fieldWithPath(prefix + "name")
             .description("bioEntity name that should match")
             .type(JsonFieldType.STRING),
+        fieldWithPath(prefix + "sourceData")
+            .description("source data")
+            .optional()
+            .type(JsonFieldType.STRING),
         fieldWithPath(prefix + "modelName")
             .description("bioEntity model name that should match")
             .optional()