Named slots in LWC components not working

slot in lwc FileRelatedList_SalesforceCodex Salesforce · File Related List in Lightning Web Component Files is the excellent and most robust way to manage

Let's understand why Lightning Web components were introduced by Salesforce and How to create the first LWC component in the sandbox or developer org (Non-

slot casino machine slot For example, I would like to include a Datatable in an LWC Card which has 3 slots :

slot machine 777 meaning slot> x-slottable> template> This is currently slotName, + }, + key: 0, + }, + stc0, + $slotset + ), + ]; + *LWC compiler vX