How to: Get Item default inventory dimensions

I have create an Job to show how it works:

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static void _GetInventoryDimensions(Args _args) {     InventTable                 inventTable = inventTable::find('D0004');     InventItemOrderSetupType    setupType   = InventItemOrderSetupType::Invent;     InventDim                   inventDim;     ;       // Default Site     inventDim.InventSiteId = inventTable.inventItemOrderSetupMap(setupType).inventSiteId(inventDim.InventSiteId, inventTable);       // Default Location     inventDim.InventLocationId  = inventTable.inventItemOrderSetupMap(setupType,                                                                       InventDim::findOrCreate(inventDim).InventDimId)                                                                       .inventLocationId(inventDim.InventLocationId,                                                                                         inventTable,                                                                                         inventDim.InventSiteId);       // Default ConfigId     inventDim.ConfigId = inventTable.StandardConfigId;       // Find Default Item Dimension     inventDim = InventDim::findOrCreate(inventDim);       info(strFmt('Invent Dim. Id: %1', inventDim.inventDimId));     info(strFmt('Site Id: %1', inventDim.InventSiteId));     info(strFmt('Warehouse Id: %1', inventDim.InventLocationId)); }