diff --git a/en-US/dita/RTC-NG/config/keys-rtc-ng-api-blueprint.ditamap b/en-US/dita/RTC-NG/config/keys-rtc-ng-api-blueprint.ditamap
index ebfb35e9545..f07dddd7182 100644
--- a/en-US/dita/RTC-NG/config/keys-rtc-ng-api-blueprint.ditamap
+++ b/en-US/dita/RTC-NG/config/keys-rtc-ng-api-blueprint.ditamap
@@ -318,6 +318,34 @@
                     </keywords>
                 </topicmeta>
             </keydef>
+            <keydef keys="GetEventHandler" href="../API/api_irtcengine_geteventhandler.dita">
+                <topicmeta>
+                    <keywords>
+                        <keyword>GetEventHandler</keyword>
+                    </keywords>
+                </topicmeta>
+            </keydef>
+            <keydef keys="AddBlueprintCallbackExecutor" href="../API/api_irtcengine_addblueprintcallbackexecutor.dita">
+                <topicmeta>
+                    <keywords>
+                        <keyword>AddBlueprintCallbackExecutor</keyword>
+                    </keywords>
+                </topicmeta>
+            </keydef>
+            <keydef keys="AddBlueprintCallbackExecutorEx" href="../API/api_irtcengineex_addblueprintcallbackexecutorex.dita">
+                <topicmeta>
+                    <keywords>
+                        <keyword>AddBlueprintCallbackExecutorEx</keyword>
+                    </keywords>
+                </topicmeta>
+            </keydef>
+            <keydef keys="ClearAllEventHandlerCBExecutors" href="../API/api_irtcengine_clearalleventhandlercbexecutors.dita">
+                <topicmeta>
+                    <keywords>
+                        <keyword>ClearAllEventHandlerCBExecutors</keyword>
+                    </keywords>
+                </topicmeta>
+            </keydef>
             <keydef keys="create" href="../API/api_irtcengine_create.dita" processing-role="resource-only">
                 <topicmeta>
                     <keywords>
@@ -719,13 +747,27 @@
                     </keywords>
                 </topicmeta>
             </keydef>
-            <keydef keys="registerPlayerSourceObserver" href="../API/api_imediaplayer_registerplayersourceobserver.dita">
+            <keydef keys="registerPlayerSourceObserver" href="../API/api_imediaplayer_registerplayersourceobserver.dita" props="reserve">
+                <topicmeta>
+                    <keywords>
+                        <keyword>registerPlayerSourceObserver</keyword>
+                    </keywords>
+                </topicmeta>
+            </keydef>
+            <keydef keys="GetMediaPlayerSourceObserver" href="../API/api_irtcengine_getmediaplayersourceobserver.dita">
                 <topicmeta>
                     <keywords>
                         <keyword>GetMediaPlayerSourceObserver</keyword>
                     </keywords>
                 </topicmeta>
             </keydef>
+            <keydef keys="AddBlueprintCallbackExecutor_IMediaPlayer" href="../API/api_imediaplayer_addblueprintcallbackexecutor.dita">
+                <topicmeta>
+                    <keywords>
+                        <keyword>AddBlueprintCallbackExecutor</keyword>
+                    </keywords>
+                </topicmeta>
+            </keydef>
             <keydef keys="registerVideoFrameObserver_IMediaPlayer" href="../API/api_imediaplayer_registervideoframeobserver.dita" props="reserve">
                 <topicmeta>
                     <keywords>