# XDATA Command [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [X](Help%20System/GSTARCAD/2022/Commands/X/(X).md) ## Function Description: This command is used to attach extended object data (xdata) to a selected object. You can view the xdata attached to objects with the XDLIST command. ## Command Access: > **Icon:** > / > **Menu:** / > **Ribbon:** / > **Toolbar:** / > **Command:** XDATA > **Alias:** > / ## Command Prompts: Select object: