In SAP ABAP, a search help is a feature that provides a user interface for searching and selecting data values from a list. A search help is essentially a dialog box that displays a list of possible values for a particular field or selection criterion.
Once a search help is defined and assigned to a data element or domain, it can be used in various SAP applications, such as data entry screens, reports, and dialog programs.
To use a search help in a program or report, you can call the function module "F4_HELP" or "F4IF_INT_TABLE_VALUE_REQUEST" to display the search help dialog box and retrieve the selected values. You can also customize the search help behavior and appearance using various parameters and options.
There are two types of search help available in SAP ABAP: elementary search help and collective search help.
Elementary search help is used to display a list of possible values for a single input field. It is used when the user needs to select a single value from a list of values. Elementary search helps can be defined using an internal table or a database view.
Collective search help is used to display a list of possible values for multiple input fields. It is used when the user needs to select values for multiple fields that are related to each other. Collective search helps are defined using a structure, which consists of fields that are related to each other. The structure can be defined using the ABAP Dictionary.
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