SetGroupTopicChangedCallback

introduction

Set group topic updated callback

Parameter details

Parameter name Parameter type Required Description
callback GroupTopicChangedCallback no GroupTopicChangedCallback
stringCallback GroupTopicChangedStringCallback no GroupTopicChangedStringCallback

Returned template

TIMResult

The parameters of the callback function after successfully calling the API：
code:int
desc:string
json_param:'' // json_ Params is an empty string ""
user_data:string

Return value details

name type description
TIMResult TIMResult Return value of calling API
code int Result error code: Error Codes
desc string The description of the error.
json_param string Json string. Calling different API will get different Json strings.
user_data string User-defined data transfered by ImSDK without any processing

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