improvement(slack-trigger): expose view, message, and state on interactivity payloads

[waleedlatif1]

Summary

The native Slack trigger flattened every interaction into scalar event.* fields and dropped the structured objects — so workflows on the trigger could not read view.state.values / view.private_metadata (modal submissions) or message.blocks (block-rewrite paths). This passes the full structured objects through and declares them in the trigger outputs.

• event.view — full Slack view object for modal interactions (view_submission/view_closed): state.values, private_metadata, id, callback_id, hash, blocks, title.
• event.message — full source message object for block_actions on a message (incl. blocks), so block-rewrite paths can edit it.
• event.state — top-level block_actions state.values (current input values of the surface read on a button click, without a modal submit).

All three are declared in the trigger outputs (type json) so they surface in the editor output picker. null when Slack does not send them (verified against the docs: no top-level message/trigger_id on view_submission, no view on a message-based block action).

Context

Unblocks moving the Slack interactivity workflows off the generic webhook trigger and onto the native Slack trigger (the durable fix for the trigger_id 3s race). Without these fields the swap would have been a payload-contract rebuild; with them it is a clean rename.

Type of Change

• Improvement (additive trigger outputs)

Testing

• Verified the full block_actions, view_submission, and view_closed payload shapes against Slack's official interaction-payload docs (docs.slack.dev).
• formatInput ↔ trigger outputs keys cross-checked: all 29 keys align in both directions.
• 0 tsc errors, biome clean, 162 webhook tests pass (8 slack-specific, incl. new view/message/state cases), check:api-validation passed.
• Backwards compatible: purely additive; existing flattened fields unchanged; new fields default to null; processTriggerFileOutputs passes the json fields through untouched.

Checklist

• Code follows project style guidelines
• Self-reviewed my changes
• Tests added/updated and passing
• No new warnings introduced
• I confirm that I have read and agree to the terms outlined in the Contributor License Agreement (CLA)

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1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Skipped		Jun 30, 2026 5:10am

[cursor]

PR Summary

Low Risk
Additive trigger outputs with null defaults; existing scalar fields and Events API paths are unchanged, with coverage in webhook tests.

Overview
The native Slack trigger now forwards full structured interactivity objects instead of only flattened scalars, so workflows can use modal submissions and block-rewrite flows on the native trigger.

formatSlackInteractive copies the raw Slack view, source message, and top-level state onto event (default null when absent). view covers view_submission / view_closed (state.values, private_metadata, etc.); message carries blocks and related fields for block_actions; state exposes surface state.values on button clicks without a modal submit.

The Slack trigger outputs schema adds matching json fields for the editor picker. Existing flattened fields are unchanged; tests cover block_actions and view_submission passthrough.

^{Reviewed by Cursor Bugbot for commit fe44223. Configure here.}

[greptile-apps]

Greptile Summary

This PR exposes more of Slack's interactivity payload to workflows. The main changes are:

• Adds event.view, event.message, and event.state to the Slack trigger event.
• Declares the new fields as json outputs in the Slack webhook trigger.
• Extends Slack provider tests for block action state/message data and modal view data.

Confidence Score: 5/5

This looks safe to merge.

• No blocking issues found in the changed code.

Important Files Changed

Filename	Overview
apps/sim/lib/webhooks/providers/slack.ts	Adds nullable structured Slack interactivity fields and populates them from the raw payload when present.
apps/sim/triggers/slack/webhook.ts	Adds matching json output declarations for the new Slack interactivity fields.
apps/sim/lib/webhooks/providers/slack.test.ts	Adds tests for message/state passthrough on block actions and view passthrough on modal submissions.

_{Reviews (1): Last reviewed commit: "improvement(slack-trigger): expose view,..." | Re-trigger Greptile}