The System for Cross-Domain Identity Management (SCIM) protocol is an application-level, REST protocol for provisioning and managing identity data on the web. You can use the information provided here to know further about SCIM Connector.
The protocol supports creation, modification, retrieval, and discovery of core identity resources, which are users and groups, and also custom resource extensions.
The SCIM Connector implements the SCIM Protocol by using JavaScript and an HTTP Client Connector.