### Add Optional Attributes

Available Attributes
These are the attributes you can add to the class. Double-click an attribute to add it.

Optional Attributes
These attributes are present as optional attributes in the class after completion of the operation. Double-click an attribute to remove it from the list.

Hint: You can modify an existing class definition by using this page to add or remove attributes from the current optional Attributes list Remove optional attributes only from auxiliary classes. Do not remove any attribute from effective classes unless you have tested the change in an isolated test setup.

Mandatory Attributes
These are the mandatory attributes present in the class definition. For a class, the list of mandatory attributes cannot be modified.

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