code: function deleteWorkflow(workflow, meta, callback) {
              if (typeof (meta) === 'function') {
                  callback = meta;
                  meta = {};
              }
  
              if (workflows[workflow.uuid]) {
                  return callback(null, (delete workflows[workflow.uuid]));
              } else {
                  return callback(null, false);
              }
          }
docs: workflow - the workflow object meta - Any additional information to pass to the backend which is not workflow properties callback - f(err, boolean)