This is for v4+
https://www.rfc-editor.org/rfc/rfc7643.html#section-4.1
External System
Grouper uses bearer token authentication to connect with SCIM V2 APIs. Create an external system like below.
We have tested SCIM integration for AWS, Github, Atlassian, Robin, and others. Even though they all follow SCIM, there are still many differences, so when you configure a SCIM provisioner, we ask for SCIM type. Based on the SCIM type, the provisioner framework can run extra validations to make integration more robust.