GRFN_S_TASKPLAN is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "structure for task plan" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_GRFN_S_TASKPLAN TYPE GRFN_S_TASKPLAN.
The GRFN_S_TASKPLAN table consists of various fields, each holding specific information or linking keys about structure for task plan data available in SAP. These include ORGUNIT (Object ID), TASKPLAN_GRP_ID (GUID in 'CHAR' Format in Uppercase), TASK (Plan usage), TIMEFRAME (Timeframe)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .