conv_id: Conversation ID
conv_type session type, please refer toTIMConvType
params: json_get_msg_param (message getting parameter)
user_data: User-defined data. The IM SDK only transfers the user data to the callback function cb without processing the data. Optional.
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conv_id: Conversation ID
conv_type session type, please refer toTIMConvType
params: json_get_msg_param (message getting parameter)
user_data: User-defined data. The IM SDK only transfers the user data to the callback function cb without processing the data. Optional.