Alchemy.Cache.presence

You're seeing just the function presence, go back to Alchemy.Cache module for more information.
Link to this function

presence(guild_id, user_id)

Specs

presence(snowflake(), snowflake()) ::
  {:ok, Alchemy.Guild.Presence.t()} | {:error, String.t()}

Gets the presence of a user in a certain guild.

This contains info such as their status, and roles.