I successfully implemented my custom OAuthAuthorizationServerProvider. But when I log in and retrieve a token, my client doesn\'t have any idea of the user\'s r
OAuthAuthorizationServerProvider
I believe you need to override TokenEndpointResponse on OAuthAuthorizationServerProvider class :
TokenEndpointResponse
public override Task TokenEndpointResponse(OAuthTokenEndpointResponseContext context) { context.AdditionalResponseParameters.Add("Key","Value"); return base.TokenEndpointResponse(context); }