diff --git a/hugvey/story.py b/hugvey/story.py
index 4ccabab..9fb4213 100644
--- a/hugvey/story.py
+++ b/hugvey/story.py
@@ -314,7 +314,7 @@ class Condition(object):
         condition = conditionClass(data['@id'])
         condition.type = data['type']
         condition.originalJsonString = json.dumps(data)
-
+        #: :type condition: Condition
         # TODO: should Condition be subclassed?
         if data['type'] == "replyContains":
             condition.method = condition._hasMetReplyContains
@@ -324,6 +324,8 @@ class Condition(object):
             condition.method = condition._hasVariable
         if data['type'] == "diversion":
             condition.method = condition._hasDiverged
+        if data['type'] == "messagePlayed":
+            condition.method = condition._hasPlayed
         if data['type'] == "variableEquals":
             condition.method = condition._variableEquals
 
@@ -422,6 +424,30 @@ class Condition(object):
             )
 
         return r
+    
+    def _hasPlayed(self, story) -> bool:
+        if not story.lastMsgFinishTime:
+            return False
+
+        msg = story.get(self.vars['msgId'])
+        if not msg:
+            story.logger.critical(f"Condition on non-existing message: {self.vars['msgId']}")
+
+        #: :type msg: Message
+        r = msg.isFinished()
+        if r:
+            story.logger.debug(f"Msg {self.vars['msgId']} has been played.")
+
+        if 'inverseMatch' in self.vars and self.vars['inverseMatch']:
+            # inverse:
+            r = not r
+
+        self.logInfo = "Has {} played msg {}".format(
+            'not' if 'inverseMatch' in self.vars and self.vars['inverseMatch'] else '',
+            self.vars['msgId']
+            )
+
+        return r
 
     def _hasMetReplyContains(self, story) -> bool:
         """
diff --git a/www/js/hugvey_console.js b/www/js/hugvey_console.js
index 8e97669..d223c9c 100644
--- a/www/js/hugvey_console.js
+++ b/www/js/hugvey_console.js
@@ -1361,8 +1361,12 @@ class Graph {
                     'notEq': { "label": "Not equal", 'value': '', 'title': "Match if the variables are _not_ equal.", 'type':'checkbox' },
                 },
                 'diversion': {
-                    'diversionId': { 'tag': 'select', 'value': '','placeholder': "Variable name (without $)", 'options': this.diversions.map((d) => d['@id']) },
+                    'diversionId': { 'tag': 'select', 'value': '', 'options': this.diversions.map((d) => d['@id']) },
                     'inverseMatch': { "label": "Match if not done", 'value': '', 'title': "Match if the diversion has _not_ been done.", 'type':'checkbox' },
+                },
+                'messagePlayed': {
+                    'msgId': { 'value': '', 'label':'Message ID', 'placeholder': "(eg. en-njsm9b0ni)" },
+                    'inverseMatch': { "label": "Match if not played", 'value': '', 'title': "Match if the message has _not_ been played.", 'type':'checkbox' },
                 }
             };
     }