Answer / pinu

SPA and GPA are SET/GET parameters.it comes under SAP
memory and used to pass a value from one program to any
transcation where the set/get parameterid is set.

SET PARAMETER ID 'MON' FIELD P_SCRIPT.

where MON is a parameter ID set for a particular screen
(SMOD).

thanks,

Answer / rajeshwar rao

Within a main session, when ever you start an application
program, it opens up an internal sessions with in the main
session. The internal session has a memory area that
contains the ABAP program and its associated data. So when
ever you want to pass data between two internal sessions,
then you can use ABAP Memory (i.e import, export).


When comes to SAP memory (also known as global memory), if
the data has to be passed b/w two main sessions, we can use
SAP Memory(SPA/GPA Parameters). SAP Memory can also be used
to pass data b/w internal sessions.

Answer / rajeshwar rao

SAP Memory
SAP memory is a memory area to which all main sessions
within a SAPgui have access. You can use SAP memory either
to pass data from one program to another within a session,
or to pass data from one session to another. Application
programs that use SAP memory must do so using SPA/GPA
parameters (also known as SET/GET parameters). These
parameters can be set either for a particular user or for a
particular program using the SET PARAMETER statement. Other
ABAP programs can then retrieve the set parameters using the
GET PARAMETER statement. The most frequent use of SPA/GPA
parameters is to fill input fields on screens

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