The Invoice based, and One-time charge services will be listed in this services section. You click on Services which will open the drop-down list of services that the Admin added under Services from the addons section of the Settings.

Step 1:

Step 2: Select the Service using the Checkbox

 Step 3: Make sure with details of the selected services

Note: To enable any Addon item during the Move-In process, Navigate to Setting>>Field Setting>> "ADDON-MOVEIN"