Adds similar objects to the selection set based on selected objects.
Access Methods
Button
Toolbar: Drafting tool set 
Selection tool group Select Similar Shortcut menu: Select the object that you want to use as the template object to select similar objects. Right-click in the drawing area and click Select Similar.
Summary
Selects similar objects of the same type based on specified matching properties, such as the color or block name.
List of Prompts
The following prompt is displayed.
Select objects or [SEttings]: Use an object selection method and press Enter
The Settings option displays the Select Similar Settings dialog box.