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FAQ

How to filter updates in some part of BehaviourBuilder?

You may create subcontext with BehaviourBuilder.createSubContext and pass there updatesUpstreamFlow parameter with any operations over parent behaviour builder:

buildBehaviourWithLongPolling {
    createSubContext(
        updatesUpstreamFlow = filter { /* some condition */ }
    ) {
        onCommand() //...
    }
}

Additional info

Cases

  • Filtering of chats and users: 
        updatesUpstreamFlow = filter { it.sourceChat() ?.id == requiredChatId || it.sourceUser() ?.id == requiredUserId }