diff --git a/Inc/SerialPortFrameIO.h b/Inc/SerialPortFrameIO.h
index 6f3dbd9..09ab5eb 100644
--- a/Inc/SerialPortFrameIO.h
+++ b/Inc/SerialPortFrameIO.h
@@ -7,7 +7,7 @@
 #include "stdint.h"
 
 typedef uint16_t (*SerialPortFrameReceivedTransaction  )(void *env, uint8_t idFilter, uint8_t *data, uint16_t size, uint32_t timeout);
-typedef uint16_t (*SerialPortFrameTransmitTransaction  )(void *env, uint8_t *data, uint16_t size, uint32_t timeout);
+typedef uint16_t (*SerialPortFrameTransmitTransaction  )(void *env, uint8_t *data, uint16_t size, uint32_t adr, uint8_t canType, uint32_t timeout);
 
 typedef struct {
     void *env;