HR & RECRUITING

PTO Balance Validation with Multi-Level Approval Chain

Validates a PTO request against the employee's accrued balance, then runs a tiered approval chain — short requests need only the manager, long ones also need a department head.

CategoryHR & Recruiting
Enginesim
Difficultyadvanced
Triggerwebhook
Steps5
Setup~25 min

How it runs

The automated pipeline, trigger to output.

  • TriggerHR portal posts PTO request via webhookHTTP webhook
  • ActionLook up accrued balance, reject if insufficientAirtableAirtable
  • LogicSelect 1 or 2 approvers based on leave length
  • ActionRun sequential Slack approval for each approverSlack
  • OutputRecord final decision and approver trail in AirtableAirtableAirtable

What it does

Handles PTO requests that need more than one yes. It first confirms the employee has enough accrued days, then routes through an approval chain whose length depends on request size: short absences stop at the direct manager, while longer leaves require an additional department-head sign-off before they're final.

When to use it

Use it when approval authority scales with leave length or when finance and HR want a paper trail of who approved what and when. Good for organizations with formal leave policies.

How it works

  1. 1An HTTP webhook from your HR portal submits the PTO request payload.
  2. 2The flow reads the employee's accrued balance from Airtable and rejects underwater requests immediately.
  3. 3A logic step picks the approval path by duration: one approver under the threshold, two above it.
  4. 4It posts a sequential approval request in Slack to each required approver, advancing only after each yes.
  5. 5The final decision, approver names, and timestamps are recorded back in Airtable as the system of record.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect HTTP webhookTrigger any URL on agent actions.
  2. 2
    Connect AirtableBases, tables, views, automations.
  3. 3
    Connect SlackChannels, DMs, threads, mentions.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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