function getUsagePointIdFromExternalId(externalId) {
  return externalId.split(':')[1];
}
@description Return the usage point id of an enedis device.
@param {string} externalId - External ID of the device.
@returns {string} Returns the usage point id.
@example
const usagePointId = getUsagePointIdFromExternalId('enedis:1234232323');