code: func (nic Nic) ListRequest() (ListCommand, error) {
  	req := &ListNics{
  		VirtualMachineID: nic.VirtualMachineID,
  		NicID:            nic.ID,
  		NetworkID:        nic.NetworkID,
  	}
  
  	return req, nil
  }
docs: // ListRequest build a ListNics request from the given Nic