diff --git a/media/native/midi/include/midi.h b/media/native/midi/include/midi.h
index 780d8a7..755d09f 100644
--- a/media/native/midi/include/midi.h
+++ b/media/native/midi/include/midi.h
@@ -71,7 +71,7 @@
   *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - an unknown error occurred.
  */
 media_status_t AMIDI_API AMidiDevice_fromJava(
-        JNIEnv *env, jobject midiDeviceObj, AMidiDevice **outDevicePtrPtr);
+        JNIEnv *env, jobject midiDeviceObj, AMidiDevice **outDevicePtrPtr) __INTRODUCED_IN(29);
 
 /**
  * Disconnects the native Midi Device Object from the associated Java MidiDevice object.
@@ -88,7 +88,7 @@
  *  - the JNI interface initialization to the associated java MidiDevice failed.
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - couldn't retrieve the device info.
  */
-media_status_t AMIDI_API AMidiDevice_release(const AMidiDevice *midiDevice);
+media_status_t AMIDI_API AMidiDevice_release(const AMidiDevice *midiDevice) __INTRODUCED_IN(29);
 
 /**
  * Gets the MIDI device type.
@@ -104,7 +104,7 @@
  *  parameter is NULL.
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - Unknown error.
  */
-int32_t AMIDI_API AMidiDevice_getType(const AMidiDevice *device);
+int32_t AMIDI_API AMidiDevice_getType(const AMidiDevice *device) __INTRODUCED_IN(29);
 
 /**
  * Gets the number of input (sending) ports available on the specified MIDI device.
@@ -117,7 +117,7 @@
  *  parameter is NULL.
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - couldn't retrieve the device info.
  */
-ssize_t AMIDI_API AMidiDevice_getNumInputPorts(const AMidiDevice *device);
+ssize_t AMIDI_API AMidiDevice_getNumInputPorts(const AMidiDevice *device) __INTRODUCED_IN(29);
 
 /**
  * Gets the number of output (receiving) ports available on the specified MIDI device.
@@ -130,7 +130,7 @@
  *  parameter is NULL.
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN}- couldn't retrieve the device info.
  */
-ssize_t AMIDI_API AMidiDevice_getNumOutputPorts(const AMidiDevice *device);
+ssize_t AMIDI_API AMidiDevice_getNumOutputPorts(const AMidiDevice *device) __INTRODUCED_IN(29);
 
 /*
  * API for receiving data from the Output port of a device.
@@ -149,14 +149,14 @@
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - Unknown Error.
  */
 media_status_t AMIDI_API AMidiOutputPort_open(const AMidiDevice *device, int32_t portNumber,
-                             AMidiOutputPort **outOutputPortPtr);
+                             AMidiOutputPort **outOutputPortPtr) __INTRODUCED_IN(29);
 
 /**
  * Closes the output port.
  *
  * @param outputPort    The native API port identifier of the port.
  */
-void AMIDI_API AMidiOutputPort_close(const AMidiOutputPort *outputPort);
+void AMIDI_API AMidiOutputPort_close(const AMidiOutputPort *outputPort) __INTRODUCED_IN(29);
 
 /**
  * Receives the next pending MIDI message. To retrieve all pending messages, the client should
@@ -177,7 +177,7 @@
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - Unknown Error.
  */
 ssize_t AMIDI_API AMidiOutputPort_receive(const AMidiOutputPort *outputPort, int32_t *opcodePtr,
-         uint8_t *buffer, size_t maxBytes, size_t* numBytesReceivedPtr, int64_t *outTimestampPtr);
+         uint8_t *buffer, size_t maxBytes, size_t* numBytesReceivedPtr, int64_t *outTimestampPtr) __INTRODUCED_IN(29);
 
 /*
  * API for sending data to the Input port of a device.
@@ -196,7 +196,7 @@
  *  @see AMEDIA_ERROR_UNKNOWN {@link AMEDIA_ERROR_UNKNOWN} - Unknown Error.
  */
 media_status_t AMIDI_API AMidiInputPort_open(const AMidiDevice *device, int32_t portNumber,
-                            AMidiInputPort **outInputPortPtr);
+                            AMidiInputPort **outInputPortPtr) __INTRODUCED_IN(29);
 
 /**
  * Sends data to the specified input port.
@@ -210,7 +210,7 @@
  *   was NULL, the specified buffer was NULL.
  */
 ssize_t AMIDI_API AMidiInputPort_send(const AMidiInputPort *inputPort, const uint8_t *buffer,
-                   size_t numBytes);
+                   size_t numBytes) __INTRODUCED_IN(29);
 
 /**
  * Sends data to the specified input port with a timestamp.
@@ -225,7 +225,7 @@
  *   was NULL, the specified buffer was NULL.
  */
 ssize_t AMIDI_API AMidiInputPort_sendWithTimestamp(const AMidiInputPort *inputPort,
-        const uint8_t *buffer, size_t numBytes, int64_t timestamp);
+        const uint8_t *buffer, size_t numBytes, int64_t timestamp) __INTRODUCED_IN(29);
 
 /**
  * Sends a message with a 'MIDI flush command code' to the specified port. This should cause
@@ -239,14 +239,14 @@
  * @see AMEDIA_ERROR_UNSUPPORTED {@link AMEDIA_ERROR_UNSUPPORTED} The FLUSH command couldn't
  * be sent.
  */
-media_status_t AMIDI_API AMidiInputPort_sendFlush(const AMidiInputPort *inputPort);
+media_status_t AMIDI_API AMidiInputPort_sendFlush(const AMidiInputPort *inputPort) __INTRODUCED_IN(29);
 
 /**
  * Closes the input port.
  *
  * @param inputPort Identifies the input (sending) port to close.
  */
-void AMIDI_API AMidiInputPort_close(const AMidiInputPort *inputPort);
+void AMIDI_API AMidiInputPort_close(const AMidiInputPort *inputPort) __INTRODUCED_IN(29);
 
 #ifdef __cplusplus
 }