ibm_cloud_functions_code.txt

function main(params) {
const DiscoveryV1 = require('watson-developer-cloud/discovery/v1');
  return new Promise(function (resolve, reject) {
    
var discovery = new DiscoveryV1({
        username: params.username,
        password: params.password,
        version_date: '2017-11-07'
      });
            
      discovery.query({environment_id: params.environment_id,
        collection_id: params.collection_id,
        natural_language_query: params.input,
        passages: 'true'
      }, function(err, data) {
        if (err) {
          return reject(err);
        }
       return resolve(data);
      }); 
    
  });
}