> For the complete documentation index, see [llms.txt](https://developer.magtek.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.magtek.com/hardware/card-readers/mms-dyna-devices/dynaflex-ii-go/documents/user-manuals/magneflex-browser-developer-tool-programmers-reference-web-api/magneflex-browser-web-api-resources/requestsendextendedcommand.md).

# requestSendExtendedCommand

This query string sends an extended command to the device and returns the raw response from the device.

{% code overflow="wrap" %}

```
?operation= 
&httpMethod= 
&closeDeviceAfter= 
&readerArgument= 
&destinationURL= 
&requestLocation= 
&passInData=
```

{% endcode %}

<table data-header-hidden><thead><tr><th width="166.727294921875" valign="top"></th><th valign="top"></th></tr></thead><tbody><tr><td valign="top">Parameter</td><td valign="top">Description</td></tr><tr><td valign="top">operation</td><td valign="top">Operation to request from MagneFlex. Use: requestSendExtendedCommand</td></tr><tr><td valign="top">httpMethod</td><td valign="top"><p>HTTP method to be used for the HTTP postback from MagneFlex. Use:</p><p>GET - returns the response data in the form of a query string. POST – recommended for EVM related transactions to accommodate limits on query string lengths.</p></td></tr><tr><td valign="top">closeDeviceAfter</td><td valign="top"><p>Flag to close the device after the request. Use:</p><p>true – close device</p><p>false – do not close the device</p></td></tr><tr><td valign="top">readerArgument</td><td valign="top">Extended command to send to reader.</td></tr><tr><td valign="top">destinationURL</td><td valign="top">MagneFlex will send the postback to this URL.</td></tr><tr><td valign="top">requestLocation</td><td valign="top"><p>Flag to send GPS location of the device from which Magneflex (iOS only) is hosted.</p><p>Use:</p><p>true – send location</p><p>false – do not send location</p></td></tr><tr><td valign="top">passInData</td><td valign="top">Optional data to send to MagneFlex. This data will be passed back to the web app.</td></tr></tbody></table>

Each input parameter supplied in the request is delimited by an ampersand character ‘&’, and the value for a parameter begins after an equal character ‘=’. Where ever a parameter contains multiple values, each are delimited by a comma character ‘,’.

**Example query:**

{% code overflow="wrap" %}

```
https://192.168.10.100/magneflexdemo/default.aspx? 
operation=requestSendExtendedCommand 
&httpMethod=GET
&closeDeviceAfter=true 
&readerArgument=03060003010F00
&destinationURL= https://192.168.10.100/magneflexdemo/cardpostback.aspx 
&requestLocation=false
&passInData=
```

{% endcode %}

**Return Value:**

The Extended Command response output in Hex string format of device raw response for this command.

<table data-header-hidden><thead><tr><th valign="top"></th><th valign="top"></th></tr></thead><tbody><tr><td valign="top">Parameter</td><td valign="top">Description</td></tr><tr><td valign="top">errorCode</td><td valign="top">Error status. 0 is Success. Non-Zero is an error.</td></tr><tr><td valign="top">errorMessage</td><td valign="top">Description of the errorCode.</td></tr><tr><td valign="top">opType</td><td valign="top"><p>The type of operation. For this command the value is:</p><p>SEND_EXTENDED_COMMAND_RESULT</p></td></tr><tr><td valign="top">commandID</td><td valign="top">Command that was sent.</td></tr><tr><td valign="top">commandResult</td><td valign="top">Result of a command sent to the device.</td></tr><tr><td valign="top">passInData</td><td valign="top">Optional data to send to MagneFlex. This data will be passed back to the web app.</td></tr></tbody></table>

**Example**

{% hint style="info" %}
<https://192.168.10.100/magneflexdemo/cardpostback.aspx?errorCode=0\\&err> orMessage=OK\&opType=SEND\_EXTENDED\_COMMAND\_RESULT\&commandID=0306\&comman dResult=000001A801A6FA8201A2DFDF2101105F2A0208405F360102DFDF5B010CDFDF 5C0102DFDF75010CDFDF76010CDFDF6E010C9F150230309F1607303030303030309F1A

0208409F1C0831313232333334349F33032028C89F3501219F4005720000B0019F4E07

30303030303030DFDF0109A000000004F8001000DFDF025E9ADFDF289F025A899F109F

159F169F4E828E5F245F259F069F079F0D9F0E9F0F9F269F279F369C9F339F349F379F

399F40959B9F5BDFDF009F1E9F1A5F2A9F019F218ADF8120DF8121DF81225F20505F34

849F039F099F1E9F359F419F53DFDF05299A829F369F1E9F109F5B9F339F35959F015F

245A5F348A9F159F169F399F1A9F1C579F025F2A9F219CDFDF06028A91DFDF14040000

7530DFDF150400000001DFDF160400000080DFDF17599ADFDF289F029F035A899F109F

159F169F4E828E5F245F259F069F079F0D9F0E9F0F9F269F279C9F339F349F359F369F

379F399F409F419F53959B9F5BDFDF009F1E9F1A5F2A9F018ADF8120DF8121DF81225F

205F349F0984DFDF20024328DFDF260E4D414754454B2044454641554C549F3C020998

9F3D0102DFDF4704755EFA9B& passInData=
{% endhint %}


---

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