api.js
function checkRequiredParameter (param) {
  return (
    typeof param === 'function' || typeof param === 'undefined' || param === '' || param === null || (typeof param === 'number' && isNaN(param))
  );
}
function checkRequiredParameter (param) {
  return (
    typeof param === 'function' || typeof param === 'undefined' || param === '' || param === null || (typeof param === 'number' && isNaN(param))
  );
}
function checkRequiredParameter ( param ) { return ( typeof param === 'function' || typeof param === 'undefined' || param === '' || param === null || ( typeof param === 'number' && isNaN ( param ) ) ) ; }
Check if specific required request parameter is valid
Check if specific required request parameter is valid