Optional
props: Partial<{ Optional
channelOptional
dataThe metadata information
Optional
eventIndicate storage event type
Optional
storageStorage type, RTM_STORAGE_TYPE_USER or RTM_STORAGE_TYPE_CHANNEL
Optional
targetThe target name of user or channel, depends on the RTM_STORAGE_TYPE
Optional
timestampRTM server UTC time
Which channel type, RtmChannelType_STREAM or message