public void Handle(
CreateShipment c)
{
// example of DomainValidationException
if (c.Address.StartsWith("1"))
{
throw new DomainValidationException($"Can't create shipment with address {c.Address}");
}
_shipments.Perform(
c.Id,
shipment => shipment.CreateShipment(c.Id, c.Metadata, c.Address), c.Metadata);
}