Added API override to sanitize message

Author: richardqhill

lib/Slack_web_api.js

@@ -214,6 +214,11 @@ module.exports = function(bot, config) {
         slack_api.callAPI('chat.postEphemeral', options, cb);
     };
 
+    slack_api.chat.scheduleMessage = function(options, cb) {
+        sanitizeOptions(options);
+        slack_api.callAPI('chat.scheduleMessage', options, cb);
+    };
+
     slack_api.chat.update = function(options, cb) {
         sanitizeOptions(options);
         slack_api.callAPI('chat.update', options, cb);