Allows the specified user to send unpaid private messages to the current user by adding a rule to userPrivacySettingAllowUnpaidMessages. Request type for Tdjson#allowUnpaidMessagesFromUser.
Optional
Pass true to refund the user previously paid messages.
Identifier of the user.
Allows the specified user to send unpaid private messages to the current user by adding a rule to userPrivacySettingAllowUnpaidMessages. Request type for Tdjson#allowUnpaidMessagesFromUser.