SCHEDMAN_SPECIFIC_PS 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 "Permitted PS-Specific Fields for the Process Monitor" 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_SCHEDMAN_SPECIFIC_PS TYPE SCHEDMAN_SPECIFIC_PS.
The SCHEDMAN_SPECIFIC_PS table consists of various fields, each holding specific information or linking keys about Permitted PS-Specific Fields for the Process Monitor data available in SAP. These include PERIO_FROM (First period), PERIO_TO (Last Period), GJAHR (Fiscal Year), GJAHR_TO (Fiscal Year)... 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. .