diff --git a/MVMCore/MVMCore/ActionHandling/ActionHandler+ClientParameters.swift b/MVMCore/MVMCore/ActionHandling/ActionHandler+ClientParameters.swift
index 2c607b9..5f9cb0a 100644
--- a/MVMCore/MVMCore/ActionHandling/ActionHandler+ClientParameters.swift
+++ b/MVMCore/MVMCore/ActionHandling/ActionHandler+ClientParameters.swift
@@ -10,6 +10,7 @@ import Foundation
 
 public extension MVMCoreActionHandler {
 
+    ///  Iterates throw the clientParameters list. Gets values from the individul handlers and attaches the paramters to extraParameters. 
     @objc func setClientParameter(with actionMap: [String: Any]?, completionHandler: @escaping ([String : Any]?) -> ()) {
 
         guard let clientParameters = actionMap?.optionalDictionaryForKey("clientParameters") else {