EMA C++ RDM Usage Guide : 3 Login Domain : 3.1 Description
 
3.1 Description
The Login domain registers a user with the system, after which the user can request1 or post2 Domain Model content. A Login request can also be used to authenticate a user with the system.
A consumer application must log into the system before it can request or post content.
A non-interactive provider application must log into the system before providing any content.
For further details:
Section 3.2 details the use of each message within the Login domain.
Section 3.3 presents the message payloads.
Section 3.4 includes a brief summary of login handling and authentication.
Section 3.5 - Section 3.7 cover specific use case scenarios.
 

1 Consumer applications can request content after logging into the system.

2 Consumer applications can post content, which is similar to contribution or unmanaged publication, after logging into the system.