~~NOTOC~~
[[user_management_api]] > [[BS2_PartialUpdateUser]]

----

===== BS2_PartialUpdateUser =====
[+ 2.8.3] Updates partial information of an already registered user. The user you want to renew must be a registered user. \\
You can optionally specify the partial information you want to update using the mask. \\
If you want to delete partial information, you can delete it in combination with [[user_management_api#BS2User]] infoMask. \\ 
==== Declaration ====
<code cpp>
#include "BS_API.h"

int BS2_PartialUpdateUser(void* context, uint32_t deviceId, BS2_USER_MASK mask, BS2UserBlob* userBlob, uint32_t userCount);
</code>

<callout type="info">
[[user management api#BS2UserBlob|See BS2UserBlob Structure]]
</callout>
==== Parameter ====
  * [In] ''//context//'' : Context
  * [In] ''//deviceId//'' : Device ID
  * [In] ''//mask//'': Mask for the part of the user you want to update
<WRAP group 50%>
^Value  ^Description  ^
|0x0002  |User settings (personal authentication mode, validity period)  |
|0x0004  |User Name  |
|0x0008  |Image |
|0x0010  |PIN  |
|0x0020  |Card  |
|0x0040  |Fingerprint  |
|0x0080  |Face  |
|0x0100  |Access group  |
|0x0200  |Jobcode  |
|0x0400  |Private Message  |
|0x0800  |Face ''(Visual Face Support)''  |
|0x1000  |User setting ''(Visual Face Support)''  |
</WRAP>
  * [In] ''//userBlob//'' : Partial information about the user you want to renew
  * [In] ''//userCount//'' : Number of users
\\
==== Return Value ====
If successful, return ''BS_SDK_SUCCESS'' and generate ''BS2_EVENT_USER_UPDATE_PARTIAL_SUCCESS'' event. \\
If it fails, it returns a corresponding error code, and if it is a device occurrence error, the event ''BS2_EVENT_USER_UPDATE_PARTIAL_FAIL'' is generated.\\ 
==== See Also ====
[[BS2_PartialUpdateUser]]\\
[[BS2_PartialUpdateUserEx]]\\
[[BS2_PartialUpdateUserSmall]]\\
[[BS2_PartialUpdateUserSmallEx]]\\
[[BS2_PartialUpdateUserFaceEx]]
==== Sample Code ====
Refer to the [[BS2_PartialUpdateUserFaceEx]]