Adds a transient into this collection. This set is transient as it is available only during this session.
| Name | Type | Description |
| AttributeSetName | String | Input String value that specifies the name of the attribute set. The name must be unique with respect to the other attribute sets attached to this object. If it is not unique, an error will occur. |
| CopyWithOwner | Boolean | Property that specifies whether the attribute set should be copied with its owner when the object it is associated with is copied or split. If True, the attribute set is copied. This is an optional argument whose default value is False. |