Here we would like to draw your attention to WCAY transaction code in SAP. As we know it is being used in the SAP PM-WCM (Work Clearance Management in PM) component which is coming under PM module (Plant Maintenance).WCAY is a transaction code used for WCM: Archiving: WCM_WCD in SAP.
It comes under the package WCM.
Transaction WCAY technical data table
|Purpose||WCM: Archiving: WCM_WCD|