Here we would like to draw your attention to /MRSS/RMS_AT transaction code in SAP. As we know it is being used in the SAP PM-WOC (Maintenance Processing in PM) component which is coming under PM module (Plant Maintenance)./MRSS/RMS_AT is a transaction code used for Maintain Assignment Types in SAP.
It comes under the package /MRSS/RMS.
Transaction /MRSS/RMS_AT technical data table
|Purpose||Maintain Assignment Types|