Understanding Block Attributes
Block attributes are an additional feature of blocks that are very useful. Block attributes store informational data. This data can be defined as a constant value, or can be input by a user at the moment the block is inserted, or edited afterward.
There is no limit to the number of attributes that can be associated with a block. I have attached 20 or 30 attributes to title sheets, for example. When the title sheet block is inserted into the current drawing, the user is prompted for various values: the sheet number, title, project engineer’s name, CAD technician’s name, and so on. This is useful for guaranteeing that appropriate data is added to a drawing and not accidentally overlooked.
When creating attributes ...