ITOBEXIT_MODIFY_EQ 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 "PM: Equipment Data Changeable Using User Exits" 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_ITOBEXIT_MODIFY_EQ TYPE ITOBEXIT_MODIFY_EQ.
The ITOBEXIT_MODIFY_EQ table consists of various fields, each holding specific information or linking keys about PM: Equipment Data Changeable Using User Exits data available in SAP. These include EQTYP (Equipment category), CHARGE (Batch Number), HZEIN (Manufacturer drawing number), AULDT (First delivery date of the equipment)... 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. .