diff --git a/src/modifier/Modifier.js b/src/modifier/Modifier.js
index d12b3ab..7ac3e31 100644
--- a/src/modifier/Modifier.js
+++ b/src/modifier/Modifier.js
@@ -4,6 +4,10 @@
  *  _modifications: {Object}
  */
 class Modifier {
+    /**
+     * @type {string} _identifier
+     */
+    _identifier;
     /**
      * @type {Map<string,string>} _modifications
      */
@@ -21,11 +25,24 @@ class Modifier {
      */
     _paddingValues;
 
-    constructor() {
+    constructor(identifier = null) {
+        if (identifier) {
+            this._identifier = identifier;
+        }
         this._modifications = new Object();
         this._removeMods = [];
     }
 
+    /**
+     * 
+     * @param {string} identifier 
+     * @returns {Modifier|ChainableModifier}
+     */
+    setIdentifier(identifier) {
+        this._identifier = identifier;
+        return this;
+    }
+
     /**
      * Sets the modifications for widht and height to 100%. 
      * @returns {Modifier} this modifier object