What is 'selection variable' in SAP BC-ABA - ABAP Runtime Environment?

selection variable - Overview

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: Global variable that is declared using the PARAMETERS statement and linked with a PARAMETER on a selection screen.

selection variable - Details

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  Key Concepts: 
  A selection variable is a type of variable used in the ABAP Runtime Environment of SAP. It is used to store values that can be used to filter data in reports and other programs. Selection variables are created in the ABAP Dictionary and can be used in reports, transactions, and other programs. 
  
  How to use it: 
  Selection variables are created in the ABAP Dictionary and can be used in reports, transactions, and other programs. To create a selection variable, go to the ABAP Dictionary and select the “Selection Variables” tab. Enter the name of the selection variable, its type (numeric or character), and its length. Once created, the selection variable can be used in reports, transactions, and other programs. 
  
  Tips & Tricks: 
  When creating a selection variable, it is important to consider how it will be used. For example, if the selection variable will be used to filter data in a report, it should have a length that is appropriate for the data being filtered. Additionally, if the selection variable will be used in multiple programs or transactions, it should have a name that is descriptive and easy to remember. 
  
  Related Information: 
  For more information on selection variables in SAP, please refer to the SAP Help Portal (https://help.sap.com/viewer/product/SAP_ABAP_RUNTIME_ENVIRONMENT/7.50/en-US). Additionally, there are many online tutorials available that provide step-by-step instructions on how to create