firebase-app - rules - actions

actions.rules.js

module.exports = {
  __setup__: 'actions',

  // notice we are defining the rules for a task with this ID.
  // this has nothing to do with paths. we may access this task payload as shown below.
  // here we're checking if the post we're updating was created by the authenticated user.
  updatePost: `newData.child('createdBy').val() == auth.uid`

};