~~NOTOC~~
[[access_control_api]] > [[BS2_GetAccessGroup]]

----

===== BS2_GetAccessGroup =====
Retrieves selected access groups.
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_GetAccessGroup(void* context, uint32_t deviceId, uint32_t* accessGroupIds, uint32_t accessGroupIdCount, BS2AccessGroup** accessGroupObj, uint32_t* numAccessGroup);
</code>

<callout type="info">
[[access control api#BS2AccessGroup|See BS2AccessGroup Structure]]
</callout>
==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//deviceId//'' : Device ID
  * [In] ''//accessGroupIds//'' : List of access group IDs to retrieve
  * [In] ''//accessGroupIdCount//'' : Number of access groups to retrieve
  * [Out] ''//accessGroupObj//'' : Access group list pointer
  * [Out] ''//numAccessGroup//'' : Number of access groups
<WRAP indent>
<WRAP info 70%>
**NOTE**\\
The accessGroupObj 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.
==== Seel Also ====
[[BS2_GetAllAccessGroup]]\\ [[BS2_SetAccessGroup]]\\ [[BS2_RemoveAccessGroup]]\\ [[BS2_RemoveAllAccessGroup]]