Your 'team secret' is a unique identifyer of your team in SIGNL4. It is for instances used to submit alerts/events to your team.

You can find your ‘team secret’ or ‘team id’ in two places.

Either in the management portal on the dashboard (https://account.signl4.com/manage/) or in the app (tap the ‘gear’ symbol on the dashboard to go to settings, then tap APIs: the first 8 digits of your team’s email address are your secret).