RMXTS_MONI_KEYDATA 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 "TMS-TLS: Key Data for Monitor View" 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_RMXTS_MONI_KEYDATA TYPE RMXTS_MONI_KEYDATA.
The RMXTS_MONI_KEYDATA table consists of various fields, each holding specific information or linking keys about TMS-TLS: Key Data for Monitor View data available in SAP. These include OBJNR (Object number), OBJ (), TASKGRP (Trial Monitor Task Group)... 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. .