docs: def get_vlan_assignment_uuid(self):
          """Returns the UUID for the region's vlan assignment on CVX
  
          :returns: string containing the region's vlan assignment UUID
          """
          vlan_uuid_cmd = self.cli_commands['resource-pool']
          if vlan_uuid_cmd:
              return self._run_eos_cmds(commands=vlan_uuid_cmd)[0]
          return None