diff --git a/jans-auth-server/server/src/main/java/io/jans/as/server/service/external/ExternalDynamicClientRegistrationService.java b/jans-auth-server/server/src/main/java/io/jans/as/server/service/external/ExternalDynamicClientRegistrationService.java
index 3e81856e116..dab8d4f319f 100644
--- a/jans-auth-server/server/src/main/java/io/jans/as/server/service/external/ExternalDynamicClientRegistrationService.java
+++ b/jans-auth-server/server/src/main/java/io/jans/as/server/service/external/ExternalDynamicClientRegistrationService.java
@@ -11,6 +11,7 @@
 import io.jans.as.model.error.ErrorResponseFactory;
 import io.jans.as.model.jwt.Jwt;
 import io.jans.as.model.util.CertUtils;
+import io.jans.as.server.model.common.ExecutionContext;
 import io.jans.as.server.service.external.context.DynamicClientRegistrationContext;
 import io.jans.model.custom.script.CustomScriptType;
 import io.jans.model.custom.script.conf.CustomScriptConfiguration;
@@ -231,4 +232,27 @@ public boolean isCertValidForClient(X509Certificate cert, DynamicClientRegistrat
             return false;
         }
     }
+
+    public boolean modifyPostResponse(JSONObject responseAsJsonObject, ExecutionContext context) {
+        CustomScriptConfiguration script = defaultExternalCustomScript;
+
+        try {
+            if (log.isTraceEnabled()) {
+                log.trace("Executing python 'modifyPostResponse' method, script name: {}, context: {}, response: {}", script.getName(), context, responseAsJsonObject.toString());
+            }
+            context.setScript(script);
+
+            ClientRegistrationType type = (ClientRegistrationType) script.getExternalType();
+            final boolean result = type.modifyPostResponse(responseAsJsonObject, context);
+            if (log.isTraceEnabled()) {
+                log.trace("Finished 'modifyPostResponse' method, script name: {}, context: {}, result: {}, response: {}", script.getName(), context, result, responseAsJsonObject.toString());
+            }
+
+            return result;
+        } catch (Exception ex) {
+            log.error(ex.getMessage(), ex);
+            saveScriptError(script.getCustomScript(), ex);
+        }
+        return false;
+    }
 }