diff --git a/src/java/foundation/pEp/jniadapter/interfaces/AbstractEngineInterface.java b/src/java/foundation/pEp/jniadapter/interfaces/AbstractEngineInterface.java
index 17d6f53..b0161f8 100644
--- a/src/java/foundation/pEp/jniadapter/interfaces/AbstractEngineInterface.java
+++ b/src/java/foundation/pEp/jniadapter/interfaces/AbstractEngineInterface.java
@@ -1,7 +1,9 @@
 package foundation.pEp.jniadapter.interfaces;
 
 import foundation.pEp.jniadapter.Message;
+import foundation.pEp.jniadapter.Pair;
 import foundation.pEp.jniadapter.Sync;
+import java.util.ArrayList;
 
 public interface AbstractEngineInterface extends AutoCloseable {
     public String getVersion();
@@ -12,6 +14,8 @@ public interface AbstractEngineInterface extends AutoCloseable {
 
     public void stopSync();
 
+    public void config_media_keys(ArrayList<Pair<String, String>> value);
+
     public boolean isSyncRunning();
 
     public void setMessageToSendCallback(Sync.MessageToSendCallback messageToSendCallback);