You're seeing just the function get, go back to Slack.Web.Users.Profile module for more information.
Link to this function

get(optional_params \\ %{})

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Retrieves a user's profile information.

Optional Params

  • include_labels - Include labels for each ID in custom profile fields ex: true
  • user - User to retrieve profile info for ex: W1234567890

Errors the API can return:

  • user_not_found - Value passed for user was invalid.