cron7.js

module.exports.lambda = async (event, context) => {
  // {Items: [{activities, day}, {activities, day}...]}
  const reminders = event.detail
  /*
  * Use your logic to filter, discard the activities,
  * we will end up with something like:
  * [{activities, day}, {activities, day}, {activities, day}]
  */
  const filteredReminders = filterActivitiesIn(reminders) 
  // Send the events to next step
  const mappedEvents = filteredReminders.map((reminder) => {
    return {
      EventBusName: `main`,
      Source: 'cron.filter',
      DetailType: 'FILTERED REMINDERS',
      Detail: JSON.stringify(reminder)
    }
  })
  await eventBridge.putEvents({Entries: mappedEvents}).promise()
}