def METHOD_NAME(
    self, organizations: Optional[Sequence[RpcOrganizationSummary]] = None
) -> Sequence[Region]:
    """
    Use the get_organizations_from_integration() method to identify forwarding regions.
    """
    if not organizations:
        organizations = self.get_organizations_from_integration()
    if not organizations:
        logger.error("no_organizations", extra={"path": self.request.path})
        return []
    return [get_region_for_organization(organization.slug) for organization in organizations]