Updates a gateway's name. Specify which gateway to update using the Amazon Resource Name (ARN) of the gateway in your request.
See https://www.paws-r-sdk.com/docs/backupgateway_update_gateway_information/ for full documentation.
backupgateway_update_gateway_information(GatewayArn, GatewayDisplayName = NULL)
[required] The Amazon Resource Name (ARN) of the gateway to update.
The updated display name of the gateway.