Chat integration

Hi,
I wanted to create a chat integration app. I have managed to set up webhooks, but I cannot send a message - I’m not sure about `senderActorId` and `channelAccountId`. I have noticed that I can get this data from init message, but I want to understand meaning of this fields.
senderActor according to the docummentation is A-user_id, however it is different than username: numer which I thought to be user_id - is that true?
Another question is about `channelAccountId` - what is it and why it is needed? Should I always copy the message from the recently received message?
Can I somehow detect if this conversation is assigned to the user which token I’m using?

Hello, @Jakubquick thank you for posting in our Community!

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Hey, @tjoyce @quentin_lamamy @Mark_Ryba any recommendations to @Jakubquick matter?

Thank you,

Pam