1 files changed, 9 insertions, 2 deletions
diff --git a/vnext/src/components/PM.js b/vnext/src/components/PM.js
index 7684c6ac..61e28e9a 100644
--- a/vnext/src/components/PM.js
+++ b/vnext/src/components/PM.js
@@ -1,5 +1,7 @@
 import React from 'react';
 
+import { UserType, MessageType } from './Types';
+
 import Avatar from './Avatar';
 import { format } from '../utils/embed';
 
@@ -25,7 +27,7 @@ function bubbleStyle(me, msg) {
         background: background,
         color: color,
         padding: '0 12px'
-    }
+    };
 }
 
 function chatItemStyle(me, msg) {
@@ -38,5 +40,10 @@ function chatItemStyle(me, msg) {
         display: 'flex',
         flexDirection: 'column',
         alignItems: alignment
-    }
+    };
+}
+
+PM.propTypes = {
+    chat: MessageType.isRequired,
+    visitor: UserType.isRequired
 }
 \ No newline at end of file