Screen 401A also contains a field 412A labeled ???Publish Type??? in which the user selects a type for the endpoint, e.g. from an enumerated set shown in a drop-down list box that is displayed by clicking in field 412A. In the example shown in FIG. 4A, there are three choices for the value in field 412A namely ???JMS Queue???, ???Database,??? and ???Custom???, and the user has selected the endpoin