Class PlayerCursorInventoryComponent

Example: getSelectedItem.js

import { system, world } from "@minecraft/server";

system.runInterval(() => {
   for (const player of world.getPlayers()) {
       const cursorInventory = player.getComponent("minecraft:cursor_inventory");
       const item = cursorInventory.item;
       if (!item) continue;

       player.sendMessage("You selected " + item.typeId);
   }
}, 20);
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