Figured it out.
Command │ (D3) Exec DOOR32 program
Data │ c:\mystic\doors\avatarchat\avatar_chat_univeral-dropfile c:\mystic\temp%1\door32.sys
this works for me.
| Sysop: | Gargoyle |
|---|---|
| Location: | Wayne, OK |
| Users: | 19 |
| Nodes: | 10 (0 / 10) |
| Uptime: | 61:02:15 |
| Calls: | 151 |
| Files: | 295 |
| Messages: | 68,950 |