# AG\_EVTMSG

> [HTML Version](ag_evtmsg.htm)

_Reviewed and revised December 2023_

**tab(-10, AG\_EVTMSG); opflags \{,msg\}; chr(127);**     [Tab(-10,x) Syntax Notes](ag_xxx_syntax-notes.htm.md)

AG\_EVTMSG (57) may be used to send a message to the System Messages window on the client / ATE workstation.

**Parameters**

_opcode_

one of the following: 

| **Value** | **Action** |
|------|------|
| 1 | open the System Messages window |
| 2 | msg; opens System Messages window if necessary |
| 3 | close the System Messages window |
| 514 | output msg, followed by "application paused - doubleclick to resume" and wait for doubleclick |




_msg_

Message to output. Ignored for op 1 and 3.

**Response**

none

**Comments**

The AG\_EVTMSG command underlies the implementation of the [TRACE Statements](trace_statements.htm.md).