BAPI_ECRM_ISU_CONTRACTPOS 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 Transfer of Contract Data to IS-U" 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_BAPI_ECRM_ISU_CONTRACTPOS TYPE BAPI_ECRM_ISU_CONTRACTPOS.
The BAPI_ECRM_ISU_CONTRACTPOS table consists of various fields, each holding specific information or linking keys about Structure for Transfer of Contract Data to IS-U data available in SAP. These include GUID_I (GUID in 'RAW' format), VAL_PER (Validity period of contract), VAL_PER_UN (Unit of validity period of contract), VAL_PER_CA (Validity period category of contract)... 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. .