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 remain stored in the corresponding SPA/GPA parameters. The names of SPA/GPA parameters are managed in the database table TPARA.