====Snapshot (Live Data API Function)====

This function returns a snapshot containing the current values of the [[data points]] you request.

The return is very similar to the response you get from [[subscribe|subscribe]] - however, there is no subscription ID. 

===Details===

|**URL**|/snapshot|
|**Method**|GET or POST|

^Parameter^Meaning^
|codes|A comma-delimited list of ARDI [[data points|data points]]|
|format|The format of the returned value. This can be **xml** or **json**|

===Response===

The response is an XML (default) or JSON encoded collection of points

===Example===

URL: **/snapshot?codes=20:-1:23**

==Response (XML)==

<code>
<update>
  <points>
    <point code="20:-1:23" value="0"/>
  </points>
</update>
</code>

==Response (JSON)==

<code>
{
   "items": [
      { "code": "20:-1:23",
        "value" : "0" }  
    ] 
 }
</code>