> 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/requestsendbatchcommand-reserved-for-future-use.md). # requestSendBatchCommand (Reserved for Future Use) This query string sends a batch of commands to the device and returns the raw response from the device. {% code overflow="wrap" %} ``` ?operation= &httpMethod= &readerArgument= &destinationURL= &passInData= ``` {% endcode %}
ParameterDescription
operationOperation to request from MagneFlex. Use: requestSendBatchCommand
httpMethod

HTTP method to be used for the HTTP postback from MagneFlex. Use:

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.

readerArgument

Batch of commands that should be sent to reader. Commands are delimited by the bar character ‘|’.

Example:

readerArgument=0900|000100|1500

destinationURLMagneFlex will send the postback to this URL.
requestLocation

Flag to send GPS location of the device from which Magneflex (iOS only) is hosted.

Use:

true – send location

false – do not send location

passInDataOptional data to send to MagneFlex. This data will be passed back to the web app.
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 ‘,’. **Return Value:** The Batch Command response output in Hex string format of device raw response for this command.
ParameterDescription
errorCodeError status. 0 is Success. Non-Zero is an error.
errorMessageDescription of the errorCode.
opType

The type of operation. For this command the value is:

SEND_BATCH_COMMAND_RESULT

commandResult

Result of a command sent to the device formatted as:

[command]-[result]

For each command sent in a batch is returned a separate commandResult. Example:

&commandResult=0900-000A9010010B355414000099 &commandResult=000100-000D31303030303033333534433033

&commandResult=1500-000103

passInDataOptional data to send to MagneFlex. This data will be passed back to the web app.
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