diff --git a/libraries/botframework-schema/etc/botframework-schema.api.md b/libraries/botframework-schema/etc/botframework-schema.api.md
index e392bafd51..f790bdef6c 100644
--- a/libraries/botframework-schema/etc/botframework-schema.api.md
+++ b/libraries/botframework-schema/etc/botframework-schema.api.md
@@ -17,6 +17,7 @@ export interface AceData {
     description: string;
     iconProperty: string;
     id: string;
+    isVisible?: boolean;
     properties: any;
     title: string;
 }
diff --git a/libraries/botframework-schema/src/sharepoint/aceData.ts b/libraries/botframework-schema/src/sharepoint/aceData.ts
index ec56b9c34d..395c467d42 100644
--- a/libraries/botframework-schema/src/sharepoint/aceData.ts
+++ b/libraries/botframework-schema/src/sharepoint/aceData.ts
@@ -32,6 +32,11 @@ export interface AceData {
      * The description of the ACE.
      */
     description: string;
+    /**
+     * The visibility of the Adaptive Card Extension.
+     * true if not specified.
+     */
+    isVisible?: boolean;
     /**
      * The properties of the ACE.
      */