Use the General tab of the Key Button Properties dialog box to set up how a Key button looks.
If you choose to send the button press to a linked object, click the Browse button (...) in the Linked object field to open the Object Browser and select the object to link to.
Once you set up the options on the General tab, click the Label tab to specify a caption or image for the button.
Set up a caption and image for a button
Set up auto repeat for the Key button
Options on the General tab of the Key Button Properties dialog box