OAuth2.0 & Mirth 3.7

[ggVert]

Hello,
I need some help to use OAuth2.
I have to use OAuth2.0 with flow Client Credentials with mirth 3.7 (mandatory)
I create a HTTP Sender to the site who delivers the token
I do a POST with the clientId as username and the client_secret as password.
In parameters I put grant_type = client_credentials and the scope.
In the Headers I put the Autorization whith the basic authentication., "application/x-www-form-urlencoded" in current Type.
It seems to work i have a status to 200 in response but no data in the message.
Did I miss something?
Thanks for your help

.

[pacmano1]

Not an answer to question, just a note: If you are on 3.7.0, please see #4239

[michaeljeffreycollins]

you have a username and pass but then have a header for authorization as well? I would double check the headers to make sure that is needed with user and password auth to oAuth 2.

Also you don't list a client_assertion or client_assertion_type in the parameters.