Function get_chat_message_position 

pub async fn get_chat_message_position(
    chat_id: i64,
    message_id: i64,
    filter: SearchMessagesFilter,
    message_thread_id: i64,
    saved_messages_topic_id: i64,
    client_id: i32,
) -> Result<Count, Error>

Returns approximate 1-based position of a message among messages, which can be found by the specified filter in the chat. Cannot be used in secret chats

Arguments

• chat_id - Identifier of the chat in which to find message position
• message_id - Message identifier
• filter - Filter for message content; searchMessagesFilterEmpty, searchMessagesFilterUnreadMention, searchMessagesFilterUnreadReaction, and searchMessagesFilterFailedToSend are unsupported in this function
• message_thread_id - If not 0, only messages in the specified thread will be considered; supergroups only
• saved_messages_topic_id - If not 0, only messages in the specified Saved Messages topic will be considered; pass 0 to consider all relevant messages, or for chats other than Saved Messages
• client_id - The client id to send the request to