UPS_CUSTTEXT is a standard SAP Table which is used to store Customer-Defined Mail Texts data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The UPS_CUSTTEXT table consists of various fields, each holding specific information or linking keys about Customer-Defined Mail Texts data available in SAP. These include REASON (Status in Status and Tracking System), TEXTELEMENT (Documentation Object)... 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. .