TDengine/alert/test/rule.json

{
    "name": "test1",
    "period": "10s",
    "sql": "select avg(speed) as avgspeed from test.cars group by id",
    "expr": "avgSpeed >= 3",
    "for": "0s",
    "labels": {
        "ruleName": "test1"
    },
    "annotations": {
        "summary": "speed of car(id = {{$labels.id}}) is too high: {{$values.avgSpeed}}"
    }
}