diff --git a/package.json b/package.json
index 78e5fc1..d38cdf8 100644
--- a/package.json
+++ b/package.json
@@ -42,4 +42,4 @@
     "tslint-config-prettier": "^1.18.0"
   },
   "private": false
-}
+}
\ No newline at end of file
diff --git a/test/test.ts b/test/test.ts
index 807e55e..90e780f 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -39,7 +39,7 @@ tap.test('should add a socketrole', async () => {
 tap.test('should register a new Function', async () => {
   testSocketFunction1 = new smartsocket.SocketFunction({
     allowedRoles: [testSocketRole1],
-    funcDef: async dataArg => {
+    funcDef: async (dataArg, socketConnectionArg) => {
       return dataArg;
     },
     funcName: 'testFunction1'
diff --git a/ts/smartsocket.classes.smartsocket.ts b/ts/smartsocket.classes.smartsocket.ts
index 4677467..d4f2178 100644
--- a/ts/smartsocket.classes.smartsocket.ts
+++ b/ts/smartsocket.classes.smartsocket.ts
@@ -83,8 +83,8 @@ export class Smartsocket {
       shortId: plugins.shortid.generate(),
       side: 'requesting'
     });
-    socketRequest.dispatch().then((dataArg: ISocketFunctionCall) => {
-      done.resolve(dataArg.funcDataArg);
+    socketRequest.dispatch().then((dataArg2: ISocketFunctionCall) => {
+      done.resolve(dataArg2.funcDataArg);
     });
     const result = await done.promise;
     return result;
diff --git a/ts/smartsocket.classes.socketfunction.ts b/ts/smartsocket.classes.socketfunction.ts
index 7510fbb..615c320 100644
--- a/ts/smartsocket.classes.socketfunction.ts
+++ b/ts/smartsocket.classes.socketfunction.ts
@@ -3,6 +3,7 @@ import * as plugins from './smartsocket.plugins';
 // import classes
 import { Objectmap } from '@pushrocks/lik';
 import { SocketRole } from './smartsocket.classes.socketrole';
+import { SocketConnection } from './smartsocket.classes.socketconnection';
 
 // export interfaces
 
@@ -11,7 +12,7 @@ import { SocketRole } from './smartsocket.classes.socketrole';
  */
 export interface ISocketFunctionConstructorOptions {
   funcName: string;
-  funcDef: any;
+  funcDef: TFuncDef;
   allowedRoles: SocketRole[]; // all roles that are allowed to execute a SocketFunction
 }
 
@@ -26,9 +27,7 @@ export interface ISocketFunctionCall {
 /**
  * interface for function definition of SocketFunction
  */
-export interface IFuncDef {
-  (dataArg: any): PromiseLike<any>;
-}
+export type TFuncDef = (dataArg: any, connectionArg: SocketConnection) => PromiseLike<any>;
 
 // export objects
 export let allSocketFunctions = new Objectmap<SocketFunction>();
@@ -40,7 +39,7 @@ export let allSocketFunctions = new Objectmap<SocketFunction>();
  */
 export class SocketFunction {
   name: string;
-  funcDef: IFuncDef;
+  funcDef: TFuncDef;
   roles: SocketRole[];
 
   /**
@@ -59,10 +58,10 @@ export class SocketFunction {
   /**
    * invokes the function of this SocketFunction
    */
-  invoke(dataArg: ISocketFunctionCall): Promise<any> {
+  invoke(dataArg: ISocketFunctionCall, socketConnectionArg: SocketConnection): Promise<any> {
     let done = plugins.smartpromise.defer();
     if (dataArg.funcName === this.name) {
-      this.funcDef(dataArg.funcDataArg).then((resultData: any) => {
+      this.funcDef(dataArg.funcDataArg, socketConnectionArg).then((resultData: any) => {
         let funcResponseData: ISocketFunctionCall = {
           funcName: this.name,
           funcDataArg: resultData
diff --git a/ts/smartsocket.classes.socketrequest.ts b/ts/smartsocket.classes.socketrequest.ts
index e3c6891..67b0a07 100644
--- a/ts/smartsocket.classes.socketrequest.ts
+++ b/ts/smartsocket.classes.socketrequest.ts
@@ -38,12 +38,12 @@ export let allSocketRequests = new Objectmap<SocketRequest>();
 
 // export classes
 export class SocketRequest {
-  status: TSocketRequestStatus = 'new';
-  side: TSocketRequestSide;
-  shortid: string;
-  originSocketConnection: SocketConnection;
-  funcCallData: ISocketFunctionCall;
-  done = plugins.smartpromise.defer();
+  public status: TSocketRequestStatus = 'new';
+  public side: TSocketRequestSide;
+  public shortid: string;
+  public originSocketConnection: SocketConnection;
+  public funcCallData: ISocketFunctionCall;
+  public done = plugins.smartpromise.defer();
   constructor(optionsArg: SocketRequestConstructorOptions) {
     this.side = optionsArg.side;
     this.shortid = optionsArg.shortId;
@@ -57,7 +57,7 @@ export class SocketRequest {
   /**
    * dispatches a socketrequest from the requesting to the receiving side
    */
-  dispatch() {
+  public dispatch() {
     let requestData: ISocketRequestDataObject = {
       funcCallData: this.funcCallData,
       shortId: this.shortid
@@ -69,7 +69,7 @@ export class SocketRequest {
   /**
    * handles the response that is received by the requesting side
    */
-  handleResponse(responseDataArg: ISocketRequestDataObject) {
+  public handleResponse(responseDataArg: ISocketRequestDataObject) {
     plugins.smartlog.defaultLogger.log('info', 'handling response!');
     this.done.resolve(responseDataArg.funcCallData);
     allSocketRequests.remove(this);
@@ -85,12 +85,15 @@ export class SocketRequest {
       this.funcCallData.funcName
     );
     if (!targetSocketFunction) {
-      defaultLogger.log('warn', `There is no SocketFunction defined for ${this.funcCallData.funcName}`);
+      defaultLogger.log(
+        'warn',
+        `There is no SocketFunction defined for ${this.funcCallData.funcName}`
+      );
       defaultLogger.log('warn', `So now response is being sent.`);
       return;
     }
     plugins.smartlog.defaultLogger.log('info', `invoking ${targetSocketFunction.name}`);
-    targetSocketFunction.invoke(this.funcCallData).then(resultData => {
+    targetSocketFunction.invoke(this.funcCallData, this.originSocketConnection).then(resultData => {
       plugins.smartlog.defaultLogger.log('info', 'got resultData. Sending it to requesting party.');
       let requestData: ISocketRequestDataObject = {
         funcCallData: resultData,