# ATTACH Command
[GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [A](Help%20System/GSTARCAD/2022/Commands/A/(A).md)
## Function Description:
This command is used to insert external references, raster images or underlays (DWF, DWFx, PDF or DGN files) to
the current drawing.
## Command Access:
> **Icon:**
> 
> **Menu:** File \> Attach
> **Ribbon:** Insert \> Reference \> Attach
> **Toolbar:** Insert \> Attach
> **Command:** ATTACH
> **Alias:** AT
**Command Prompts: /**
The Select Reference File dialog box is displayed.
