Telegex.set_chat_administrator_custom_title

You're seeing just the function set_chat_administrator_custom_title, go back to Telegex module for more information.
Link to this function

set_chat_administrator_custom_title(chat_id, user_id, custom_title)

View Source

Specs

set_chat_administrator_custom_title(
  integer() | String.t(),
  integer(),
  String.t()
) :: {:ok, boolean()} | {:error, Telegex.Model.errors()}

Use this method to set a custom title for an administrator in a supergroup promoted by the bot. Returns True on success.