# respond_to_event Behavior, inputs, outputs and permissions for respond_to_event. Source: https://docs.getridian.com/developers/tools/respond_to_event/ Language: en Reviewed: 2026-09-20 This reference is generated from the published tool contract. ## Behavior and boundaries Accepts, tentatively accepts, or declines an invitation in a writable Google or Microsoft calendar. Only use events returned with canRespond=true. It does not email the organizer and requires separate calendar:rsvp permission. ## Permissions Granted scopes, accounts, calendars and visibility rules limit access. Workspace administrators do not automatically gain access to other users’ accounts. `calendar:read`, `calendar:rsvp` [Consent and boundaries](https://docs.getridian.com/developers/authentication/) ## Input ```json { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "calendarId": { "type": "string", "minLength": 1 }, "eventId": { "type": "string", "minLength": 1, "maxLength": 2048 }, "response": { "type": "string", "enum": [ "accepted", "tentative", "declined" ] } }, "required": [ "calendarId", "eventId", "response" ], "additionalProperties": false } ``` ## Output ```json { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "ok": { "type": "boolean", "const": true }, "response": { "type": "string", "enum": [ "accepted", "tentative", "declined" ] }, "changed": { "type": "boolean" }, "organizerNotified": { "type": "boolean", "const": false } }, "required": [ "ok", "response", "changed", "organizerNotified" ], "additionalProperties": false } ``` ## Errors and retries Check the tool result for errors. Do not blindly retry writes after a timeout. Check the calendar state first. [Error handling](https://docs.getridian.com/developers/errors/)