Cleaner Done Checkbox so Door Codes can Activate Early, even better if a trigger goes to guest to let the know the unit is ready

Cleaner Done Checkbox so Door Codes can Activate Early, even better if a trigger goes to guest to let the know the unit is ready

In other words: 

When the cleaner is finished, she clicks a box. 

Then the door locks activate for the next guest and OR sends an email stating the unit is ready early