When you setup a notification say for a fermentation temperature dropping below 65 degrees Fahrenheit, BrewBench will send you an app notification. But you can also enter your email or a Slack webhook to broadcast that notification to other members on your brew team. Create the webhook, https://api.slack.com/messaging/webhooks, and choose a channel to send alerts to, Then paste that webhook into the notification for the sensor you want to receive notifications for.