~~NOTOC~~
[[face_api]] > [[BS2_GetAllAuthGroup]]

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===== BS2_GetAllAuthGroup=====
Retrieves all authentication groups.
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_GetAllAuthGroup(void* context, uint32_t deviceId, BS2AuthGroup** authGroupObj, uint32_t* numAuthGroup);
</code>

<callout type="info">
[[Face api#BS2AuthGroup|SEe BS2AuthGroup Structure]]
</callout>
==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//deviceId//'' : Device ID
  * [Out] ''//authGroupObj//'' : Authentication group list pointer
  * [Out] ''//numAuthGroup//'' : Number of authentication groups
<WRAP indent>
<WRAP info 70%>
**NOTE**\\
The authGroupObj variable needs to return the memory to the system by the [[BS2_ReleaseObject]] function after being used. 
</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_GetAuthGroup]]\\ [[BS2_SetAuthGroup]]\\ [[BS2_RemoveAuthGroup]]\\ [[BS2_RemoveAllAuthGroup]]