~~NOTOC~~
[[use_exported_control_api]] > [[BS2_GetLogSmallBlobExFromDir]]

----

===== BS2_GetLogSmallBlobExFromDir=====
[+ V2.7.1] Gets certain amount of logs including temperature information based on the event mask from USB exported data in an efficient way. \\
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_GetLogSmallBlobExFromDir(void* context, const char* szDir, uint16_t eventMask, BS2_EVENT_ID eventId, uint32_t amount, BS2EventSmallBlobEx** logsObj, uint32_t* numLog);
</code>

<callout type="info">
[[Log_Management_API#BS2EventSmallBlobEx|See BS2EventSmallBlobEx Structure]]
</callout>

==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//szDir//'' : Data storage path
  * [In] ''//eventMask//'' : event mask
  * [In] ''//eventId//'' :  Log record ID, retrieves from the first record if it is 0
  * [In] ''//amount//'' : Maximum log amount, retrieves all after eventID if it is 0
  * [Out] ''//logsObj//'' : Pointer of storing the log record address
  * [Out] ''//numLog//'' : The number of log records
<WRAP indent>
<WRAP info>
**NOTE**\\
The logsObj 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.