diff --git a/src/componentAncestry/wrapperComponent.js b/src/componentAncestry/wrapperComponent.js
index c6c803a..edea0f0 100644
--- a/src/componentAncestry/wrapperComponent.js
+++ b/src/componentAncestry/wrapperComponent.js
@@ -35,10 +35,10 @@ class ElementWrapper {
      * @param {map<string,string>} attr Specific already known attributes
      */
     constructor(element, attr = {}) {
-        fillAttrsInContainerByCb(
+        helperFun.fillAttrsInContainerByCb(
             attr,
             element,
-            function cb(k, v, con) {
+            function (k, v, con) {
                 con.setAttribute(k, v);
             }
         );
diff --git a/src/context/extStore.js b/src/context/extStore.js
index 0c50ca4..efcde8d 100644
--- a/src/context/extStore.js
+++ b/src/context/extStore.js
@@ -416,7 +416,7 @@ class ExtStorage {
             case ESAggregation.INTERNALIZED:
             default:
                 return function (ssd, orgElement) {
-                    fillAttrsInContainerByCb(
+                    helperFun.fillAttrsInContainerByCb(
                         ssd._definition,
                         orgElement,
                         (key, val, el) => { el.style[key] = val; }
diff --git a/src/context/generalHelpers.js b/src/context/generalHelpers.js
index 562e24d..3bd9728 100644
--- a/src/context/generalHelpers.js
+++ b/src/context/generalHelpers.js
@@ -62,7 +62,7 @@ class ObjectAccessObject {
 
 
 /**
- * @type {Map<string, Function>}
+ * 
  */
 const helperFun = {
     /**
@@ -83,6 +83,18 @@ const helperFun = {
         return intoContainer;
     },
 
+
+    /**
+     * 
+     * @param {HTMLElement} element
+     * @returns {string}
+     */
+    getHigherCompSelector: function (element) {
+        let dac = "data-autocompel";
+        let hcompel = element.closest('[data-compel-ishcompel="true"]');
+        return `[${dac}="${hcompel.getAttribute(dac)}"]`;
+    },
+
     /**
      * 
      * @param {string} selector 
@@ -131,7 +143,8 @@ const helperFun = {
     },
 
     /**
-     * @type {Map<string, Function>}
+     * Contains helperFun functions from the installed/loaded extensions 
+     * (jpclwe-<extension-name>)
      */
     extensions: {}
-}
\ No newline at end of file
+}