Data Management Capabilities > Managing Part Structures > Windchill Options and Variants Capabilities > Working with Aliases > Managing Alias Objects
Managing Alias Objects
Aliases are primary business objects:
Aliases are lifecycle-managed objects
They can be iterated and revised
You can view the history of aliases
Aliases follow the change processes as other Windchill objects
You can set up access control policies for aliases
Aliases are promotable objects
You can assign date effectivity to aliases (set automatically by the change workflow or directly by the user)
Whenever you update an alias, the system iterates it. An alias can be revised to capture different definitions of the alias. For example, the A.1 definition of the alias PrimaryColor can be Blue or Red, while the B.1 revision of that alias can have a definition of Blue or Red or Yellow.
You can use configuration criteria to determine the revision of the assigned expressions and aliases to use (based on the lifecycle and date effectivity) when filtering the product structure.
Defining Alias Subtypes
Administrators can define additional subtypes for the alias object using the Type and Attribute Management utility.