code: function (sControlName) {
  				return APIInfo.getIndexJsonPromise().then(function (aData) {
  					function findSymbol (a) {
  						return a.some(function (o) {
  							var bFound = o.name === sControlName;
  							if (!bFound && o.nodes) {
  								return findSymbol(o.nodes);
  							}
  							return bFound;
  						});
  					}
  					return findSymbol(aData);
  				});
  			}
docs: Checks if a control has API Reference
  @param {string} sControlName
  @return {Promise} A promise that resolves to {boolean}