add function remove participant group

webwhatsapi/js/wapi.js

@@ -1268,4 +1268,29 @@ window.WAPI.contactUnblock = function(id, done){
     }
     done(false);
     return false;
+}
+
+/**
+ * 
+ * @param {*} idGroup '[email protected]'
+ * @param {*} idParticipant '[email protected]'
+ * @param {*} done - function - Callback function to be called when a new message arrives.
+ */
+window.WAPI.removeParticipantGroup = function(idGroup, idParticipant, done){
+    const metaDataGroup = window.Store.GroupMetadata.get(idGroup);
+    if (metaDataGroup === undefined){
+        done(false); return false;
+    }
+
+    const participant = metaDataGroup.participants.get(idParticipant);
+    if (participant === undefined){
+        done(false); return false;
+    }
+
+    metaDataGroup.participants.removeParticipants([participant], function(){
+        const check = metaDataGroup.participants.get(idParticipant);
+        if (check === undefined){ done(true); return true; }
+        done(false); return false; 
+    })
+
 }