~~NOTOC~~
[[qr_code_api]] > [[BS2_WriteQRCode]]

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===== BS2_WriteQRCode =====
''[+ V2.8]'' Write the character strings to use QR code in the structure BS2CSN Card for ''X-Station 2''\\
Available QR Code Data of X-Station 2 QR is up to 32 characters with the printable ASCII code from 32 (space) to 126(~) in ASCII table.
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_WriteQRCode(const char* qrText, BS2CSNCard* card);
</code>

<callout type="info">
[[smartcard api#BS2CSNCard|See BS2CSNCard]]
</callout>
==== Parameter ====
  * [In] ''//qrText//'' : Character string setting as QR Code
  * [Out] ''//card//'' : Structure pointer of BS2CSNCard with applied QR Code
==== Return Value ====
If successfully done, ''BS_SDK_SUCCESS'' will be returned.
If there is not supported character string, the error code BS_SDK_ERROR_INVALID_PARAM will be returned.