> {
> "trigger": {
> "schedule": {
> "interval": "30m"
> }
> },
> "input": {
> "search": {
> "request": {
> "search_type": "query_then_fetch",
> "indices": [
> "apm-7.6.2-transaction-000001"
> ],
> "rest_total_hits_as_int": true,
> "body": {
> "size": 0,
> "query": {
> "bool": {
> "filter": [
> {
> "range": {
> "@timestamp": {
> "from": "now-30m",
> "to": "now"
> }
> }
> },
> {
> "term": {
> "transaction.custom.responseStatus": "200"
> }
> },
> {
> "term": {
> "service.name": "IMS-4-199"
> }
> }
> ]
> }
> }
> }
> }
> }
> },
> "condition": {
> "compare": {
> "ctx.payload.hits.total.value": {
> "gt": 0
> }
> }
> },
> "actions": {
> "email_administrator": {
> "email": {
> "profile": "standard",
> "to": [
> "wajika@gmail.com"
> ],
> "subject": " xxx {{ctx.payload.hits.total}} ",
> "body": {
> "text": "xxxxxx"
> }
> }
> }
> },
> "metadata": {
> "color": "red"
> }
> }
> {
> "watch_id": "log_count",
> "node": "7A_YAlT2RKqYmspXkEJS1w",
> "state": "execution_not_needed",
> "user": "elastic",
> "status": {
> "state": {
> "active": true,
> "timestamp": "2020-05-05T01:11:14.659Z"
> },
> "last_checked": "2020-05-05T01:14:24.010Z",
> "actions": {
> "email_administrator": {
> "ack": {
> "timestamp": "2020-05-05T01:11:14.659Z",
> "state": "awaits_successful_execution"
> }
> }
> },
> "execution_state": "execution_not_needed",
> "version": -1
> },
> "trigger_event": {
> "type": "schedule",
> "triggered_time": "2020-05-05T01:14:24.010Z",
> "schedule": {
> "scheduled_time": "2020-05-05T01:14:23.866Z"
> }
> },
> "input": {
> "search": {
> "request": {
> "search_type": "query_then_fetch",
> "indices": [
> "apm-7.6.2-transaction-000001"
> ],
> "rest_total_hits_as_int": true,
> "body": {
> "size": 0,
> "query": {
> "bool": {
> "filter": [
> {
> "range": {
> "@timestamp": {
> "from": "now-30m",
> "to": "now"
> }
> }
> },
> {
> "term": {
> "transaction.custom.responseStatus": "200"
> }
> },
> {
> "term": {
> "service.name": "IMS-4-199"
> }
> }
> ]
> }
> }
> }
> }
> }
> },
> "condition": {
> "compare": {
> "ctx.payload.hits.total.value": {
> "gt": 0
> }
> }
> },
> "metadata": {
> "color": "red",
> "xpack": {
> "type": "json"
> }
> },
> "result": {
> "execution_time": "2020-05-05T01:14:24.010Z",
> "execution_duration": 1,
> "input": {
> "type": "search",
> "status": "success",
> "payload": {
> "_shards": {
> "total": 1,
> "failed": 0,
> "successful": 1,
> "skipped": 0
> },
> "hits": {
> "hits": [],
> "total": 11,
> "max_score": null
> },
> "took": 0,
> "timed_out": false
> },
> "search": {
> "request": {
> "search_type": "query_then_fetch",
> "indices": [
> "apm-7.6.2-transaction-000001"
> ],
> "rest_total_hits_as_int": true,
> "body": {
> "size": 0,
> "query": {
> "bool": {
> "filter": [
> {
> "range": {
> "@timestamp": {
> "from": "now-30m",
> "to": "now"
> }
> }
> },
> {
> "term": {
> "transaction.custom.responseStatus": "200"
> }
> },
> {
> "term": {
> "service.name": "IMS-4-199"
> }
> }
> ]
> }
> }
> }
> }
> }
> },
> "condition": {
> "type": "compare",
> "status": "success",
> "met": false,
> "compare": {
> "resolved_values": {
> "ctx.payload.hits.total.value": null
> }
> }
> },
> "actions": []
> },
> "messages": []
> }
why "ctx.payload.hits.total: null" ？