Contact your Maestro account manager and give them this URL to use for the interface: https://services.zingle.me/maestro/webhook
The Maestro team will then provide you with the Hotel Identifier and Agreed Upon Code.
Browse to Admin Settings > Integrations > Maestro and enter the Hotel Identifier and Agreed Upon Code values obtained in steps 2, then click the "Activate" button.
4. Contact Maestro and tell them to turn it on! That's it.