API JWT Token for SSO SAML

To call a flow as api, how do we authenticate in a SSO/SAML configuraiton?

The documentation says: [color=#141414]To get JWT token you need to make a call to the Account Service method “LoginAndGetJWTToken” like this:[/color]
[color=#141414]http://{ipOfDecisions}/{VDIR}/Primary/REST/AccountService/LoginAndGetJWTToken?outputType=JSON&userName=admin@decisions.com&password=admin[/color]

[color=rgb(0, 0, 0)][font=Arial]But, what if SAML/SSO is turned on? How should the above call be changed to get an accounts token?[/font][/color]