OCLOperators OnCreate
From MDrivenWiki
OnCreate is called aften a new object has been created.
It's very much like a .Net constructor for OCL.
You can use self.base.OnCreate to call the superclass's OnCreate as you would in another language.
Example
In the method body for OnCreate set this ocl:
CreateTime:=DateTime.Now; self.Guid.newGuid()
See more: Acting on object changes
See also OnUpdate, OnDelete, OnStateChange