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ABAP Keyword Documentation → ABAP Glossary →SPA/GPA parameter
Also SET/GET parameter. Data objects in the SAP Memory that can be accessed in ABAP programs. SPA/GPA parameters are set using SET PARAMETER and read with GET PARAMETER. Input fields on screens can be linked with SPA/GPA parameters and be preassigned values when the screen is called. User input in such fields remains stored in the corresponding SPA/GPA parameters. The names of SPA/GPA parameters are managed in the database table TPARA.