A dispensing system for the interior of a dishwashing machine includes a component carrier on which components are detachably or nondetachably arranged, including at least a dispensing chamber, an actuator, and a closing element as well as an energy source and/or a control unit and/or a sensor unit. The closing element is coupled with the actuator such that movement of the actuator displaces the closing element into a closure or a release position. The at least one dispensing chamber is connected in communicating manner with at least one cartridge chamber and includes an inlet for inflow of washing or cleaning agent from a cartridge chamber and an outlet for outflow of washing or cleaning agent from the dispensing chamber into its surrounding environment. The outlet of the dispensing chamber is closable or openable by the closing element.