To have fully functional Facebook Messenger on Rentlio Booking engine there are few prerequisites:

First thing first, to find your Facebook Page ID go to your Facebook page and then go to Info, scroll down and on the bottom of the page you'll find Facebook Page ID.

If you don't have Info go to More and you'll be able to select it from dropdown menu.

Once located, copy it and then go back in Rentlio and paste it in Facebook Page ID field.

Second, under the Page settings go to General to and navigate to section Page visibility to check is your Facebook Page set to Published. If not, click on Edit and change it to Published.

The last step is to set Rentlio Booking engine domain on Facebook Page. Go to Messaging and scroll down and click on Get Started.

After you click on Get Started you'll be redirected on page bellow. Click on Set Up

Inside of pop-up window, select language and click Save&Continue.

On second step enter you Rentlio booking engine address and click on Save&Continue.

On third step, first click on Copy Code but you don't have to use it anywhere. And we'll go next on the fourth step.

On fourth step click Finish, Done and then Publish.

Now, visit your Rentlio Booking engine page and there you'll have Facebook Messenger icon in the right bottom corner.