code: public void domain_migrateDelegationV3toV6_POST(String domain) throws IOException {
  		String qPath = "/email/domain/{domain}/migrateDelegationV3toV6";
  		StringBuilder sb = path(qPath, domain);
  		exec(qPath, "POST", sb.toString(), null);
  	}
docs: Create delegation of domain with same nic than V3
  
  REST: POST /email/domain/{domain}/migrateDelegationV3toV6
  @param domain [required] Name of your domain name