How to delete all user messages in a VK conversation?

Question

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Is there a way to remove all messages from a particular user from a dialog?

Answer 1

The messages.deleteConversation method deletes private messages in a conversation:
https://vk.com/dev/messages.deleteConversation

spoiler

Если добавить пользователя в черный список - диалог будет недоступен для обеих пользователей