code: def update_org_users(cls, module):
          
          try:
              cls.module_registry[module]["OrgUserModel"]._meta.get_field("user")
          except FieldDoesNotExist:
              cls.module_registry[module]["OrgUserModel"].add_to_class(
                  "user",
                  models.ForeignKey(
                      USER_MODEL,
                      related_name="%(app_label)s_%(class)s",
                      on_delete=models.CASCADE,
                  ),
              )
          try:
              cls.module_registry[module]["OrgUserModel"]._meta.get_field("organization")
          except FieldDoesNotExist:
              cls.module_registry[module]["OrgUserModel"].add_to_class(
                  "organization",
                  models.ForeignKey(
                      cls.module_registry[module]["OrgModel"],
                      related_name="organization_users",
                      on_delete=models.CASCADE,
                  ),
              )
docs: Adds the `user` field to the organization user model and the link to
          the specific organization model.