diff --git a/src/fsfw/cfdp/handler/SourceHandler.cpp b/src/fsfw/cfdp/handler/SourceHandler.cpp
index 69610634..bcc67039 100644
--- a/src/fsfw/cfdp/handler/SourceHandler.cpp
+++ b/src/fsfw/cfdp/handler/SourceHandler.cpp
@@ -82,4 +82,4 @@ ReturnValue_t cfdp::SourceHandler::checksumGeneration() {
   return OK;
 }
 
-ReturnValue_t cfdp::SourceHandler::putRequest() { return 0; }
+ReturnValue_t cfdp::SourceHandler::putRequest(PutRequestFull& putRequest) { return 0; }
diff --git a/src/fsfw/cfdp/handler/SourceHandler.h b/src/fsfw/cfdp/handler/SourceHandler.h
index 0bc3d741..f3009aeb 100644
--- a/src/fsfw/cfdp/handler/SourceHandler.h
+++ b/src/fsfw/cfdp/handler/SourceHandler.h
@@ -31,7 +31,7 @@ class SourceHandler {
    * the state machine
    * @return
    */
-  ReturnValue_t putRequest();
+  ReturnValue_t putRequest(PutRequestFull& putRequest);
   void stateMachine();
 
  private:
diff --git a/src/fsfw/cfdp/handler/defs.h b/src/fsfw/cfdp/handler/defs.h
index 8098ed99..06bcd87e 100644
--- a/src/fsfw/cfdp/handler/defs.h
+++ b/src/fsfw/cfdp/handler/defs.h
@@ -47,6 +47,16 @@ template <size_t SIZE>
 using PacketInfoList = etl::list<PacketInfo, SIZE>;
 using PacketInfoListBase = etl::ilist<PacketInfo>;
 
+struct PutRequestFull {
+  EntityId destId;
+  TransmissionMode transmissionMode;
+  char destName[524];
+  size_t destNameSize;
+  char sourceName[524];
+  size_t sourceNameSize;
+  bool closureRequested;
+};
+
 namespace events {
 
 static constexpr Event STORE_ERROR = event::makeEvent(SSID, 0, severity::LOW);