# Monitor and control connections made via MediaCaster with the Wowza Streaming Engine Java API Updated on 07/16/2026 8:47 am PDT The **ModuleMediaCasterNotifyExample** module for the Wowza Streaming Engine™ Java API adds an event listener to MediaCaster requests, providing an opportunity to monitor and control connections made via the MediaCaster system. ## Code example [Copy to clipboard](/content/docs/imediacasternotify2-example\#code-example "Copy to clipboard"/index.html) * * * Copy ``` package com.wowza.wms.example.module; import com.wowza.wms.application.*; import com.wowza.wms.mediacaster.IMediaCaster; import com.wowza.wms.mediacaster.IMediaCasterNotify2; import com.wowza.wms.module.*; import com.wowza.wms.stream.IMediaStream; import com.wowza.wms.stream.IMediaStreamPlay; public class ModuleMediaCasterNotifyExample extends ModuleBase { public void onAppStart(IApplicationInstance appInstance) { String fullname = appInstance.getApplication().getName() + "/" + appInstance.getName(); getLogger().info("onAppStart: " + fullname); appInstance.addMediaCasterListener(new mediacasterNotify()); } public void onAppStop(IApplicationInstance appInstance) { String fullname = appInstance.getApplication().getName() + "/" + appInstance.getName(); getLogger().info("onAppStop: " + fullname); } class mediacasterNotify implements IMediaCasterNotify2 { public void onConnectFailure(IMediaCaster mediaCaster) { getLogger().info("onConnectFailure"); } public void onConnectStart(IMediaCaster mediaCaster) { getLogger().info("onConnectStart"); } public void onConnectSuccess(IMediaCaster mediaCaster) { getLogger().info("onConnectSuccess"); } public void onStreamStart(IMediaCaster mediaCaster) { getLogger().info("onStreamStart"); } public void onStreamStop(IMediaCaster mediaCaster) { getLogger().info("onStreamStop"); } public void onMediaCasterCreate(IMediaCaster mediaCaster) { getLogger().info("onMediaCasterCreate"); } public void onMediaCasterDestroy(IMediaCaster mediaCaster) { getLogger().info("onMediaCasterDestroy"); } public void onRegisterPlayer(IMediaCaster mediaCaster, IMediaStreamPlay player) { getLogger().info("onRegisterPlayer"); } public void onSetSourceStream(IMediaCaster mediaCaster, IMediaStream stream) { getLogger().info("onSetSourceStream"); } public void onUnRegisterPlayer(IMediaCaster mediaCaster, IMediaStreamPlay player) { getLogger().info("onUnRegisterPlayer"); } } } ``` ## Use the module [Copy to clipboard](/content/docs/imediacasternotify2-example\#use-the-module "Copy to clipboard"/index.html) * * * Use the ModuleMediaCasterNotifyExample module with an application named **testlive**. To install and configure the module, do the following: 1. Compile the above code and then copy the .jar file to the **\[install-dir\]/lib/** folder. 2. Open **\[install-dir\]/conf/testlive/Application.xml** in a text editor then specify the **StreamType** as **live**. 3. Add the following module definition as the last entry in the **** list: Copy ``` ModuleMediaCasterNotifyExample ModuleMediaCasterNotifyExample com.wowza.wms.example.module.ModuleMediaCasterNotifyExample ``` 4. Restart Wowza Streaming Engine if it was running. Was this article helpful? [Helpful](/content/docs/imediacasternotify2-example# "Helpful"/index.html) Thank you for your feedback! 300 characters remaining Name Email reCAPTCHA Recaptcha requires verification. 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