Specifying the Arrival Date Field for the Day Number Business Service
The Day Number: Arrival Date Field user property specifies the name of the Arrival Date field that Siebel CRM uses in the Day Number business service. If the user modifies the value of this field, then this business service sends this modification to the date fields that reside in the Function Space and Room Block business components.
You can modify the value for this user property. You cannot deactivate or create a new instance this user property.