====== onChatMessageError() ======
wrtc.onChatMessageError() is an event function called when an error occurred while sending a chat message.

<WRAP center round important 100%>
You must write your own wrtc.onChatMessageError() function to be able to tell user something went wrong.
</WRAP>

===== Arguments =====
wrtc.onChatMessageError(err)
  * err - JSON structure containing received error: {fromAddress:..., errorCode:..., errorMsg:...}
    * fromAddress - address message was sent from eg "john.doe@company.com"
    * errorCode - error number
    * errorMsg - error description in english

The most common error is 404 (Not found) if you try to send a chat message to an unknown recipient.

===== Return value =====
Ignored.

===== Example =====
{type:"chat", fromAddress:"foo@bar.com", errorCode:"404", errorMsg:"Not Found"}

<code>
wrtc.onChatMessageError = function(err) {
    window.alert(err.fromAddress + ": error " + err.errorCode + ": " + err.errorMsg);
}
</code>

===== See Also =====
[[ixnx:wrtc:js:api:wrtc:onchatmessage|wrtc.onChatMessage()]]

[[ixnx:wrtc:js:api:wrtc:sendchatmessage|wrtc.sendChatMessage()]]