Update get_identifiers.R

Integration/MINERVA_access/get_identifiers.R

@@ -17,6 +17,7 @@ components <- get_map_components(map)
 
 ### You may want to save components to JSON if you want to explore the structure of MINERVA's output
 
+### A helper function that retrieves identifiers of a given type from elements of a given model - a (sub)map in the MINERVA Platform.
 get_annotations <- function(model_elements, annotation_type) {
   ### For erroneous response, skip to next diagram
   if(is.null(model_elements)) { return(NULL) }