A laundry treatment appliance having at least one compartment adapted to contain multiple doses of a treatment agent; at least one metering device adapted to draw up from the compartment at least one treatment agent dose to be delivered to a laundry load to be treated during a laundry treatment cycle; a user interface having at least one input selector for user selection of at least one treatment agent management function that affects the drawing up of the at least one treatment agent dose by the at least one metering device, and a communication interface for allowing a communication relationship between the laundry treatment appliance and an external user device, the communication interface being configured to receive from the external device enablement commands enabling the at least one input selector to allow the user selection of the at least one treatment agent management function.