~~NOTOC~~
[[zone_control_api]] > [[BS2_SetAntiPassbackZone]]

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===== BS2_SetAntiPassbackZone =====
Configures an Anti Passback zone.
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_SetAntiPassbackZone(void* context, uint32_t deviceId, BS2AntiPassbackZone* zones, uint32_t zoneCount);
</code>

<callout type="info">
[[zone control api#BS2AntiPassbackZone|See BS2AntiPassbackZone Structure]]
</callout>
==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//deviceId//'' : Device ID
  * [In] ''//zones//'' : List of Anti Passback zones
  * [In] ''//zoneCount//'' : Number of Anti Passback zones
<WRAP indent>
<WRAP alert 70%>
**CAUTION**\\
When the Anti Passback zone ID and door ID is equivalent, this is considered as a Anti Passback zone based on the door. Therefore, when the door gets removed, the zone information could get removed also.
</WRAP>
</WRAP>
==== Return Value ====
If successfully done, ''BS_SDK_SUCCESS'' will be returned. \\
If there is an error, the corresponding error code will be returned.
==== See Also ====
[[BS2_GetAntiPassbackZone]]\\ [[BS2_GetAllAntiPassbackZone]]\\ [[BS2_GetAntiPassbackZoneStatus]]\\ [[BS2_GetAllAntiPassbackZoneStatus]]\\ [[BS2_SetAntiPassbackZoneAlarm]]\\ [[BS2_RemoveAntiPassbackZone]]\\ [[BS2_RemoveAllAntiPassbackZone]]\\ [[BS2_ClearAntiPassbackZoneStatus]]\\ [[BS2_ClearAllAntiPassbackZoneStatus]]