Basic and Digest Authentications:
For Basic and Digest authentications, this is where you will set the username and password supplied by your client.
Provides the ability to authenticate with an OAuth server using Client Credentials or Password. Here you will set the TOKEN URL, select the required Grant Type and input the credentials supplied by the client.
If the client’s system uses Bearer Token authentication, this is where you will set the Prefix and Token provided by the client.