diff --git a/lib/extensions/src/lib/services/extension-loader.service.ts b/lib/extensions/src/lib/services/extension-loader.service.ts
index d7f62adedd..be75b3b786 100644
--- a/lib/extensions/src/lib/services/extension-loader.service.ts
+++ b/lib/extensions/src/lib/services/extension-loader.service.ts
@@ -31,7 +31,7 @@ export class ExtensionLoaderService {
     constructor(private http: HttpClient) {
     }
 
-    load(configPath: string, pluginsPath: string): Promise<ExtensionConfig> {
+    load(configPath: string, pluginsPath: string, extensions?: ExtensionConfig[]): Promise<ExtensionConfig> {
         return new Promise<any>((resolve) => {
             this.loadConfig(configPath, 0).then((result) => {
                 if (result) {
@@ -53,6 +53,10 @@ export class ExtensionLoaderService {
                                 .sort(sortByOrder)
                                 .map((entry) => entry.config);
 
+                            if (extensions && extensions.length > 0) {
+                                configs.push(...extensions);
+                            }
+
                             if (configs.length > 0) {
                                 config = mergeObjects(config, ...configs);
                             }