问题 I'm novice and know there are many post for this question but i don't find my answer. So, I need to upgrade a user and his agenda with retrofit2 and the Request "PATCH". But, i don't know how do that with Retrofit2. Even with my research ... Nothing work ! Can you help me please ? Thx for advance :D Here is what I have to send : { "gender": "M", "trainerName": "Patrick", "laterality": "L", "email": "xxxx@gmail.com", "phoneNumber": "XXXXX", "agendaWeekDays": [ { "position": 1, "startSeconds":