Access the calendar:
Go to the calendar view and select the unit where you want to assign the reservation.

Select and drag:
Click on the unit, drag to create the reservation, and a pop-up window will automatically appear.

Assign the reservation to multiple units:
In the pop-up window, look for the option "Room" or "Unit."

Select more than one unit where you want to register the reservation.

Add the guest information:
Enter the guest's details.

You can do this as a new guest or choose an already registered one.

Save the reservation:
Once saved, the reservation will be automatically registered in all selected units.

Let me know if you need further help!