A system presents, on a user interface, a first message that indicates an operation associates with a memory resource is concluded. The system present, on the user interface, content of the memory resource that comprises a plurality of objects. The system presents, on the user interface, a set of instructions to prepare the plurality of objects in a particular sequence. The system receives a second message that indicates the plurality of objects in ready for pickup by a delivery mechanism. The system presents, on the user interface, an alert message that indicates the delivery mechanism has reached a pickup location coordinate. If the category of the delivery mechanism is an autonomous delivery mechanism, the system presents, on the user interface, a pin number that unlocks the autonomous delivery mechanism.