Because of the fact that pick lists are based on the feature set of business components, developers can limit the record set visible to the end user in the pick list. This technique is called constrained pick lists and applies to static and dynamic pick lists alike.
Hierarchical pick lists are a special type of static pick lists where the end user has to follow a defined sequence of selection. For example, the area field of a service request has to be filled before the subarea field. The subarea dropdown will only display values suitable for the selected area.
Filtering the record set for a pick list can be required for various reasons. Usability and data quality are among the typical reasons. Another reason can be data security.
We have the following options to filter the record set for a pick list:
Constrained pick maps (discussed in this section)
Specify a search specification on the pick business component, the pick list, or the pick applet (discussed...
