diff --git a/sdk/src/CloudApp.js b/sdk/src/CloudApp.js
index 2438e5cb9377229a9b61d32cddf9a8598bcfb0bc..bddaaa6eff83c4ddc3a290cf7228a035bf4d0a27 100644
--- a/sdk/src/CloudApp.js
+++ b/sdk/src/CloudApp.js
@@ -226,6 +226,10 @@ class CloudApp {
         }
 
         let schema = {
+            mute: [{
+                type: 'number',
+                valueMap: [0,1]
+            }],
             fps: [{
                 type: 'number',
                 min: 10,
@@ -282,6 +286,10 @@ class CloudApp {
                             return `${name} should be smaller than ${rule.max}.`;
                         }
 
+                        if (rule.valueMap !== undefined && !rule.valueMap.includes(numberVal)) {
+                            return `${name} must be 0 or 1.`;
+                        }
+
                         break;
                     }