Tenants: Tenants are divided into development tenants and business tenants. An ISV developer company is a development tenant, and a government agency is a business tenant.
    Tenants are generally identified by tenantId or reamId in the document.

    User ID: Globally mark a unique identifier of a user, which is also unique among multiple tenants.
    In the document, accountId is the globally unique user ID.

    Employee CODE: This is unique within a tenant. For example, the employee code can be repeated in multiple tenants.
    Mark employeeCode in the document.

    Organization CODE: The address book in a tenant contains various sub-organizations and units, and these sub-tenants and departments have an organization code.
    Mark the organizationCode in the document.