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code/modules/admin/view_variables/get_variables.dm

@@ -77,6 +77,15 @@
 			markstring = "[VV_MARKED_DATUM] (CURRENT: [(istype(holder) && istype(holder.marked_datum))? holder.marked_datum.type : "NULL"])"
 			classes += markstring
 
+		var/list/tagstrings = new
+		if(!(VV_TAGGED_DATUM in restricted_classes) && holder && LAZYLEN(holder.tagged_datums))
+			var/i = 0
+			for(var/datum/iter_tagged_datum as anything in holder.tagged_datums)
+				i++
+				var/new_tagstring = "[VV_TAGGED_DATUM] #[i]: [iter_tagged_datum.type])"
+				tagstrings[new_tagstring] = iter_tagged_datum
+				classes += new_tagstring
+
 		if(restricted_classes)
 			classes -= restricted_classes
 
@@ -87,6 +96,11 @@
 		if(holder && holder.marked_datum && .["class"] == markstring)
 			.["class"] = VV_MARKED_DATUM
 
+		if(holder && tagstrings[.["class"]])
+			var/datum/chosen_datum = tagstrings[.["class"]]
+			.["value"] = chosen_datum
+			.["class"] = VV_TAGGED_DATUM
+
 	switch(.["class"])
 		if(VV_TEXT)
 			.["value"] = input("Enter new text:", "Text", current_value) as null|text
@@ -202,6 +216,11 @@
 				.["class"] = null
 				return
 
+		if(VV_TAGGED_DATUM)
+			if(.["value"] == null)
+				.["class"] = null
+				return
+
 		if(VV_PROCCALL_RETVAL)
 			var/list/get_retval = list()
 			callproc_blocking(get_retval)