~~NOTOC~~
[[lift_control_api]] > [[BS2_GetAllFloorLevel]]

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===== BS2_GetAllFloorLevel=====
Retrieves all floor levels.
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_GetAllFloorLevel(void* context, uint32_t deviceId, BS2FloorLevel** floorLevelObj, uint32_t* numFloorLevel);
</code>

<callout type="info">
[[lift control api#BS2FloorLevel|See BS2FloorLevel Structure]]
</callout>
==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//deviceId//'' : Device ID
  * [Out] ''//floorLevelObj//'' : Floor level list pointer
  * [Out] ''//numFloorLevel//'' : Number of floor levels
<WRAP indent>
<WRAP info>
**NOTE**\\
The floorLevelObjvariable 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_GetFloorLevel]]\\ [[BS2_SetFloorLevel]]\\ [[BS2_RemoveFloorLevel]]\\ [[BS2_RemoveAllFloorLevel]]