I want to concatenate the present values from a related table, just the ids linked to that item in the gallery.
Example:
Concat(MYSPList2;LookUp(MYSPList2;IDLookUp=ThisItem.ID).ColumnName; " - " )
Concatenate(LookUp(MYSPList2;IDLookUp=ThisItem.ID).ColumnName & " - " )