code: public OvhLoadBalancingTask loadBalancing_serviceName_importCustomSsl_POST(String serviceName, String certificate, String chain, String key) throws IOException {
  		String qPath = "/ip/loadBalancing/{serviceName}/importCustomSsl";
  		StringBuilder sb = path(qPath, serviceName);
  		HashMap<String, Object>o = new HashMap<String, Object>();
  		addBody(o, "certificate", certificate);
  		addBody(o, "chain", chain);
  		addBody(o, "key", key);
  		String resp = exec(qPath, "POST", sb.toString(), o);
  		return convertTo(resp, OvhLoadBalancingTask.class);
  	}
docs: Import your own ssl certificate on your IP load balancing. Ssl option is needed to use this url.
  
  REST: POST /ip/loadBalancing/{serviceName}/importCustomSsl
  @param chain [required] certificate chain
  @param key [required] certificate key
  @param certificate [required] certificate
  @param serviceName [required] The internal name of your IP load balancing