Customizing the metamodel : Keywords for USRPROPS : COPYSCRIPT
  
COPYSCRIPT
This keyword is used to specify an SABasic script to be invoked for a specific property when a copy of the definition is made.
To create your own script, see the SCRIPT keyword.
Example
DEFINITION "Entity"
{CHAPTER "Attributes"
PROPERTY "Description"
{ EDIT COMPLETE LISTOF "Attribute" FROM "Data" KEYED BY {Model, "Entity Name":"Name", "Name"} RELATE BY "uses" ASGRID
COPYSCRIPT OnCopyEntityDesc EDITCLASS
SACPropertyAttributeGrid
...}