UPS_YS_SENDQUEUE 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 "Send Buffer BPS-STS" 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_UPS_YS_SENDQUEUE TYPE UPS_YS_SENDQUEUE.
The UPS_YS_SENDQUEUE table consists of various fields, each holding specific information or linking keys about Send Buffer BPS-STS data available in SAP. These include RECEIVER (Org. Value for Status and Tracking System), REASON (Version Number Component), SUCCESS (Single-Character Indicator)... 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. .