Updates block references with new and changed attributes from a specified block definition.
Button
You are prompted for the names of blocks you want to update with the current attributes defined for the blocks.
Use this command to update all instances of a block containing attributes that was redefined using the BLOCK or BEDIT commands. ATTSYNC does not change any values assigned to attributes in existing blocks.
Entering ? displays a list of all block definitions in the drawing. Enter the name of the block you want to update.
Pressing ENTER allows you to use your pointing device to select the block whose attributes you want to update.
If a block you specify does not contain attributes or does not exist, an error message is displayed, and you are prompted to specify another block.