If a technician assignment in the status “proposed” and you definitely want to schedule the appointment?

Select the day of (1.) , for which the application was proposed and then click (2.) in the pop-up window on the color (green) box deposited with the details of technicians.:

It opens an editing menu:

Please open the drop-down menu and select “scheduled”:

Then click on save :

You can see now that the background color has changed and the planned use of technicians was now firmly planned: