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Open-Policy Exchange
~3 min to deploy
Slack Refund-Approval Dossier
Turns the refund approval that happens in a Slack thread into a signed verdict carrying the policy version and reviewer authority.
For: Support and finance teams approving refunds in Slack
SOC 2 CC8.1ISO 27001 A.8.34Refund evidence trail
What it enforces
Threshold routing
Escalates refunds above the threshold into the named approver's queue.
Reviewer authority check
Blocks an approval from a reviewer whose authority limit is below the amount.
Duplicate-claim guard
Restrains a refund whose claim reference has already been settled.
slack-refund-approval-dossier.yaml
# Slack Refund-Approval Dossier
# Fork: /decionis → "Connect a workflow" → refund_approval, then edit the
# thresholds here. Observation mode changes nothing in Slack.
apiVersion: decionis.dev/v1
kind: PolicyPack
metadata:
name: slack-refund-approval-dossier
surface: slack
workflow_key: refund_approval
standards: [SOC2-CC8.1, ISO27001-A.8.34]
defaults:
mode: shadow
emit_dossier: true
rules:
- name: threshold_routing
when: "action == 'refund.approve'"
decision: |
ALLOW IF refund_amount < 1000
ESCALATE IF refund_amount < 10000
BLOCK OTHERWISE
reason_code: refund_over_threshold
- name: reviewer_authority_check
when: "action == 'refund.approve'"
decision: |
BLOCK IF approver.authority_limit_usd < refund_amount
ALLOW OTHERWISE
reason_code: approver_authority_insufficient
- name: duplicate_claim_guard
when: "action == 'refund.approve'"
decision: |
RESTRAIN IF claim.reference in ledger.settled_references
ALLOW OTHERWISE
reason_code: duplicate_claim_reference
Fork it, change the thresholds to match your environment, and deploy in shadow mode first — it defaults to listen-only so nothing in your live pipeline changes.
How to install it
Installs with no code. The Decionis app sits beside Slack approvals and records a Decision Dossier for every routed request.
Slack — shadow mode
1. Install Decionis from the Slack Marketplace.
2. /decionis → "Connect a workflow" → pick refund_approval (or any of the starter packs).
3. The app runs in observation mode out of the box: every Slack approval still
flows the same way, plus a signed Decision Dossier is recorded alongside it.Ships in shadow mode — every verdict is recorded, nothing is blocked.
What to do next
This recipe is one step in a path. The same five steps apply to every recipe in the exchange.
- Simulate this recipe
Run the policy against a realistic action in the browser. Push it past what the rules allow and watch the verdict come back. No account.
- View the signed Decision Dossier
See exactly what was decided and why: the rule that fired, the evidence it read, the policy version in force, and an Ed25519 signature you can verify yourself.
- Deploy in shadow mode
Measure what the policy would have caught on your own traffic without touching the live path. Every recipe defaults to shadow, so the first deployment carries no execution risk.
- Connect a real workflow
Point the same policy at the system where the action actually originates — a checkout, an ERP posting, a Zap, an agent's tool call.
- Share the verified result
Publish the proof: a public verification link, an embeddable badge, a PR comment, or an anonymized shadow-mode finding. This is how the next person discovers Decionis.