code: func (n *Network) OrderersInOrg(orgName string) []*Orderer {
  	orderers := []*Orderer{}
  	for _, o := range n.Orderers {
  		if o.Organization == orgName {
  			orderers = append(orderers, o)
  		}
  	}
  	return orderers
  }
docs: // OrderersInOrg returns all Orderer instances owned by the named organaiztion.