Manages the attributes for a selected block definition.
Access Methods
Button
Toolbar: Drafting tool set 
Block tool group (expanded) Manage Attributes Menu:
Modify
Object
Attribute
Block Attribute Manager
Summary
The Block Attribute Manager is displayed.
If the current drawing does not contain any blocks with attributes, a message is displayed.
This command controls all attribute properties and settings of a selected block definition. Any changes to the attributes in a block definition are reflected in the block references.