1var params = {
2  logGroupName: 'STRING_VALUE', /* required */
3  logStreamName: 'STRING_VALUE' /* required */
4};
5cloudwatchlogs.createLogStream(params, function(err, data) {
6  if (err) console.log(err, err.stack); // an error occurred
7  else     console.log(data);           // successful response
8});