public ArrayList<OvhDirectoryHeadingPJ> billingAccount_service_serviceName_directory_getDirectoryServiceCode_GET(String billingAccount, String serviceName, String apeCode) throws IOException {
		String qPath = "/telephony/{billingAccount}/service/{serviceName}/directory/getDirectoryServiceCode";
		StringBuilder sb = path(qPath, billingAccount, serviceName);
		query(sb, "apeCode", apeCode);
		String resp = exec(qPath, "GET", sb.toString(), null);
		return convertTo(resp, t13);
	}
public ArrayList < OvhDirectoryHeadingPJ > billingAccount_service_serviceName_directory_getDirectoryServiceCode_GET ( String billingAccount , String serviceName , String apeCode ) throws IOException { String qPath = "/telephony/{billingAccount}/service/{serviceName}/directory/getDirectoryServiceCode" ; StringBuilder sb = path ( qPath , billingAccount , serviceName ) ; query ( sb , "apeCode" , apeCode ) ; String resp = exec ( qPath , "GET" , sb . toString ( ) , null ) ; return convertTo ( resp , t13 ) ; }
Get directory service code from an APE code ( principal activity of the firm code )

REST: GET /telephony/{billingAccount}/service/{serviceName}/directory/getDirectoryServiceCode
@param apeCode [required]
@param billingAccount [required] The name of your billingAccount
@param serviceName [required]