{ "$schema": "http://json-schema.org/draft-07/schema", "definitions": { "timestamp": { "type": "string" }, "star_item": { "type": "object", "description": "definition snipped. learn more: https://api.slack.com/events/star_added", "properties": { } }, "user_id": { "type": "string" }, "star_removed": { "type": "object", "description": "learn more: https://api.slack.com/events/star_removed", "properties": { "event_ts": { "$ref": "#/definitions/timestamp" }, "item": { "$ref": "#/definitions/star_item" }, "type": { "const": "star_removed" }, "user": { "$ref": "#/definitions/user_id" } }, "example": { "event_ts": "1360782804.083113", "item": { }, "type": "star_removed", "user": "U024BE7LH" } } } }