Help Center/ Object Storage Service/ SDK Reference/ C/ Parameters/ Request parameters for viewing event notifications
Updated on 2026-08-03 GMT+08:00

Request parameters for viewing event notifications

Parameter

Type

Mandatory (Yes/No)

Description

options

The context of the bucket request. For details, see Configuring option (SDK for C).

Yes

Bucket parameters

handler

obs_smn_handler *

Yes

Callback function

callback_data

void *

No

Callback data

The following table describes the callback function type obs_smn_handler.

Parameter

Type

Description

response_handler

obs_response_handler

Callback function handler for response

get_smn_callback_func

obs_smn_callback *

Callback function for obtaining the notification configuration of a bucket