Element 

Required 

Description 

NameCallback

* 

Requests data from the user; for example, a user identification. 

PasswordCallback

* 

Requests password data to be entered by the user. 

ChoiceCallback

* 

Used when the application user must choose from multiple values. 

ConfirmationCallback

* 

Sends button information such as text which needs to be rendered on the module’s screen to the authentication interface. 

HttpCallback

* 

Used by the authentication module with HTTP-based handshaking negotiation. 

SAMLCallback

Used for passing either Web artifact or SAML POST response from SAML service to the SAML authentication module when this module requests for the respective credentials. This authentication module behaves as SAML recipient for both (Web artifact or SAML POST response) and retrieves and validates SAML assertions.