code: public OvhTask billingAccount_ddi_serviceName_changeDestination_POST(String billingAccount, String serviceName, String destination) throws IOException {
  		String qPath = "/telephony/{billingAccount}/ddi/{serviceName}/changeDestination";
  		StringBuilder sb = path(qPath, billingAccount, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "destination", destination);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhTask.class);
  	}
docs: Change the destination of the DDI
  
  REST: POST /telephony/{billingAccount}/ddi/{serviceName}/changeDestination
  @param destination [required] The destination
  @param billingAccount [required] The name of your billingAccount
  @param serviceName [required]