{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/PointValue", "title": "PointValue", "type": "object", "properties": { "value": { "description": "Current value (type depends on point type)", "oneOf": [ { "type": "number" }, { "type": "boolean" }, { "type": "string" } ] }, "timestamp": { "type": "string", "format": "date-time", "description": "When this value was recorded" }, "quality": { "type": "string", "enum": [ "good", "bad", "uncertain" ], "description": "Data quality indicator" } } }