When a DataSourceSelectionID is needed? No ID is needed (green circle) when there is only one column in the data source of the drop down (blue circles) The selection ID is a name for a specific row in a data source that is being singled out based on user selections (yellow) ID is needed below because there is more columns in the data source The ID used by the system as a reference to a specific row in a Data source
When to use SelectionID in a tag string in a plugin Userprofile.FieldName.ColumnName VS. UserProfile.SelectionID.ColumnName