write_gatt_char response in always None

[LucaAtWork]

Hello, I'm writing a test clinet for a bluetooth GATT server.
In one use-case I have to write to a characteristing and read its response.
So this is my code:
resp = await client.write_gatt_char(ECHO_UUID, b'~TEST_ECHO', response=True)
but resp in always None.

Now, I've read this issue but I'm not sure how that guy managed to solve it. I need to get the response from that write_gatt_char function.

Is there any way to achieve this?

Thanks a lot

[dlech]

Returning None is the expected behavior. If there is an error, it will throw an exception.

What were you expecting it to return?

[LucaAtWork]

Hi @dlech
the gatt server replies to that write with the same string used as input.
So I expect to get b'~TEST_ECHO'.
This is how it is currently working on the Android client (developed by my colleagues).

[dlech]

I would assume you need to subscribe to notifications to get the reply.

[LucaAtWork]

@dlech you are correct. Thank you for your time!