{"event":{"dedupeKey":"event.id + artworkId + milestone","deliveryStatus":"schema-ready","examplePayload":{"artworkId":"art_example","artworkTitle":"Launch poster","event":"room.artwork.vote_milestone","eventId":"evt_room_artwork_vote_milestone_example","milestone":100,"occurredAt":"2026-06-29T00:00:00.000Z","roomUrl":"https://launchroom.net/bonk","slug":"bonk","votes":100},"id":"room.artwork.vote_milestone","payloadFields":[{"name":"eventId","required":true,"summary":"Stable idempotency key for this event.","type":"string"},{"name":"event","required":true,"summary":"The webhook event id.","type":"string"},{"name":"occurredAt","required":true,"summary":"When LaunchRoom recorded the event.","type":"ISO-8601 string"},{"name":"slug","required":true,"summary":"LaunchRoom room slug.","type":"string"},{"name":"roomUrl","required":true,"summary":"Canonical public room URL.","type":"URL"},{"name":"artworkId","required":true,"summary":"Public artwork id.","type":"string"},{"name":"artworkTitle","required":false,"summary":"Public artwork title.","type":"string"},{"name":"votes","required":true,"summary":"Current vote count.","type":"number"},{"name":"milestone","required":true,"summary":"Milestone threshold reached.","type":"number"}],"summary":"A room artwork submission reaches a public vote milestone.","trigger":"Artwork voting crosses a configured milestone.","trustBoundary":"Artwork events are community activity signals. Mint eligibility or rights should be confirmed in the room context."},"kind":"launchroom.public.webhook-event-schema","publicApi":"https://launchroom.net/api/v1","schemaVersion":"1.0","signature":{"algorithm":"HMAC-SHA256","headers":["x-launchroom-event","x-launchroom-delivery","x-launchroom-signature","x-launchroom-timestamp"],"signedPayload":"{timestamp}.{raw_body}","note":"Signed partner delivery is used when webhook delivery is enabled for a partner. The public event catalog itself is unsigned."}}