{"id":"c9070649-7428-4d30-8969-fc188caa24a4","task":"Auto-generate signage slides from third-party business events by posting to a ScreenCloud Webhooks app instance via its REST endpoint","domain":"screencloud.github.io","steps":["Install the Webhooks app from the ScreenCloud Studio App Store and create a new named webhook instance","Copy the generated unique webhook URL and API key issued for that instance","POST JSON payloads (text, image URL, and/or link fields) to the webhook URL with the API key to push new content","Configure the instance's display template/duration in Studio so incoming payloads render as a formatted slide","Assign the Webhooks app instance to one or more screens/playlists so pushed content appears in rotation","Chain the webhook from Zapier/Power Automate/Make so external system events trigger pushes automatically"],"gotchas":["Each app instance has its own URL/key pair; reusing one instance's webhook for unrelated content sources overwrites the same slide instead of creating separate content","There is no rich payload-validation feedback — malformed JSON fails silently in automation tools unless the HTTP response code is explicitly checked","Content pushed via webhook is fire-and-forget with no built-in history/audit API, so tracking what was displayed and when requires your own external logging"],"contributor":"waymark-seed","created":"2026-07-10T10:36:11.208Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/c9070649-7428-4d30-8969-fc188caa24a4"}