configSpec := types.VirtualMachineConfigSpec{ MemoryMB: 2048, // increase memory to 2GB } vm, err := findVirtualMachineByName(ctx, client, "my-vm") if err != nil { log.Fatalf("Failed to find virtual machine: %v", err) } err = vm.Reconfigure(ctx, configSpec) if err != nil { log.Fatalf("Failed to reconfigure virtual machine: %v", err) }In this example, we create a new VirtualMachineConfigSpec that sets the virtual machine's memory allocation to 2 GB. We then find the virtual machine with the name "my-vm" using a helper function (not shown), and call the `Reconfigure` method on the virtual machine object, passing in the configSpec. If everything works correctly, the virtual machine's memory allocation will be updated to 2 GB. Overall, the go github.com.vmware.govmomi.vim25.types package provides a comprehensive set of types and methods for interacting with the VMware vSphere API in Go.