An error occurred: WebsiteResource.get_messages_in_conversation() missing 1 required positional argument: 'query'

[malikit]

what should I put on the query parameter when I want to get all messages in conversation?

I try to write this :
result = client.website.get_messages_in_conversation(website_id, session_id)
and get
An error occurred: WebsiteResource.get_messages_in_conversation() missing 1 required positional argument: 'query'
I want to get all messages in the conversation