diff --git a/slsDetectorSoftware/slsReceiver/slsReceiverUsers.cpp b/slsDetectorSoftware/slsReceiver/slsReceiverUsers.cpp
new file mode 100644
index 000000000..e8b352f06
--- /dev/null
+++ b/slsDetectorSoftware/slsReceiver/slsReceiverUsers.cpp
@@ -0,0 +1,38 @@
+#include "slsReceiverUsers.h"
+#include "slsReceiver_funcs.h"
+
+slsReceiverUsers::slsReceiverUsers(int argc, char *argv[], int &success) {
+  receiver=new slsReceiverFuncs(argc, argv, success);
+}
+
+slsReceiverUsers::~slsReceiverUsers() {
+  delete receiver;
+}
+
+void slsReceiverUsers::start() {
+  receiver->start();
+}
+
+
+void slsReceiverUsers::closeFile(int p) {
+  slsReceiverFuncs::closeFile(0);
+}
+
+
+  void slsReceiverUsers::registerCallBackStartAcquisition(int (*func)(char*, char*,int, int, void*),void *arg){slsReceiverList->registerCallBackStartAcquisition(func,arg);};;
+
+  
+
+int slsReceiverUsers::registerCallBackAcquisitionFinished(void (*func)(int, void*),void *arg){
+    receiver->registerCallBackAcquisitionFinished(func,arg);
+}
+	
+
+int slsReceiverUsers::registerCallBackRawDataReady(void (*func)(int, char*, FILE*, char*, void*),void *arg){
+  receiver->registerCallBackRawDataReady(func,arg);
+};
+
+
+
+
+#endif
diff --git a/slsDetectorSoftware/slsReceiver/slsReceiverUsers.h b/slsDetectorSoftware/slsReceiver/slsReceiverUsers.h
new file mode 100644
index 000000000..981a1e51a
--- /dev/null
+++ b/slsDetectorSoftware/slsReceiver/slsReceiverUsers.h
@@ -0,0 +1,83 @@
+  /********************************************//**
+ * @file slsReceiverUsers.h
+ * @short API for implementing the SLS data receiver in the users application. Callbacks can be defined for processing and/or saving data
+ * 
+ ***********************************************/
+#ifndef SLS_RECEIVER_USERS_H
+#define SLS_RECEIVER_USERS_H
+
+#include "slsReceiver_funcs.h"
+
+class slsReceiverFuncs;
+
+
+
+class slsReceiverUsers {
+
+public:
+	/**
+	 * Constructor
+	 * reads config file, creates socket, assigns function table
+	 * @param argc from command line
+	 * @param argv from command line
+	 * @param succecc socket creation was successfull
+	 */
+  slsReceiverUsers(int argc, char *argv[], int &success);
+
+
+	/** Destructor */
+	~slsReceiverUsers();
+
+	/** Close File */
+	static void closeFile(int p);
+
+	/** starts listening on the TCP port for client comminication */
+	void start();
+
+	/**
+	   callback arguments are
+	   filepath
+	   filename
+	   fileindex
+	   data size
+	   
+	   return value is 
+	   0 callback takes care of open,close,wrie file
+	   1 callback writes file, we have to open, close it
+	   2 we open, close, write file, callback does not do anything
+
+	*/
+	
+	void registerCallBackStartAcquisition(int (*func)(char*, char*,int, int, void*),void *arg){slsReceiverList->registerCallBackStartAcquisition(func,arg);};;
+
+
+	/**
+	  callback argument is
+	  total frames caught
+
+	*/
+	
+	
+	int registerCallBackAcquisitionFinished(void (*func)(int, void*),void *arg){slsReceiverList->registerCallBackAcquisitionFinished(func,arg);};
+	
+
+
+	/**
+	  args to raw data ready callback are
+	  framenum
+	  datapointer
+	  file descriptor
+	  guidatapointer (NULL, no data required)
+	*/
+	
+	int registerCallBackRawDataReady(void (*func)(int, char*, FILE*, char*, void*),void *arg){slsReceiverList->registerCallBackRawDataReady(func,arg);};
+
+
+ private:
+
+	slsReceiverFuncs *receiver;
+
+};
+
+
+#endif