diff --git a/libs/datasource/db-service/src/services/database/index.ts b/libs/datasource/db-service/src/services/database/index.ts
index 4ea5bbbace..d6d013a3d3 100644
--- a/libs/datasource/db-service/src/services/database/index.ts
+++ b/libs/datasource/db-service/src/services/database/index.ts
@@ -168,6 +168,7 @@ export class Database {
             block.on('children', observer_name, listener);
             block.on('content', observer_name, listener);
             block.on('parent', observer_name, listener);
+            block.on('cascade', observer_name, listener);
         }
         this.#observers.setStatus(observer_name, 'observing');
 
@@ -188,6 +189,7 @@ export class Database {
                 block.off('children', observer_name);
                 block.off('content', observer_name);
                 block.off('parent', observer_name);
+                block.off('cascade', observer_name);
             }
         }
     }
diff --git a/libs/datasource/jwt/src/block/abstract.ts b/libs/datasource/jwt/src/block/abstract.ts
index 2d620e3296..d67c92bb68 100644
--- a/libs/datasource/jwt/src/block/abstract.ts
+++ b/libs/datasource/jwt/src/block/abstract.ts
@@ -97,14 +97,17 @@ export class AbstractBlock<
     }
 
     public on(
-        event: 'content' | 'children' | 'parent',
+        event: 'cascade' | 'content' | 'children' | 'parent',
         name: string,
         callback: BlockListener
     ) {
         this._listeners[event]?.set(name, callback);
     }
 
-    public off(event: 'content' | 'children' | 'parent', name: string) {
+    public off(
+        event: 'cascade' | 'content' | 'children' | 'parent',
+        name: string
+    ) {
         this._listeners[event]?.delete(name);
     }