vk_session = VkApi(token="токен")
longpoll = VkBotLongPoll(vk_session, "id бота")
vk = vk_session.get_api()
for event in longpoll.listen():
if event.type == VkBotEventType.MESSAGE_NEW and event.from_chat:
if event.object.message['text'] == "сообщение":
vk.method("messages.removeChatUser", {"chat_id": 1, "member_id": 1})