# Notification templates

Templates define deterministic payloads per channel and locale.

Template lifecycle
- Create templates via API or UI.
- Rule actions reference template keys.
- Worker renders templates with a safe helper set.

Template schema (summary)
- templateId, tenantId, channelType, key, locale.
- body, renderMode, format, metadata.
- schemaVersion is normalized on persistence.

Template context
- event, scope, payload, rule, action, policy.
- topFindings and digest metadata when available.

Attestation lifecycle templates
- Dedicated template keys for attestation failures, expiries,
  key rotation, and transparency anomalies.
- Templates must include subject, signer, and evidence links.

Related references
- docs/notifications/templates.md