rule.json

{
  "_meta": {
    "documentation": "https://www.elastic.co/guide/en/ecs/current/ecs-rule.html",
    "ecs_version": "8.6.0"
  },
  "template": {
    "mappings": {
      "properties": {
        "rule": {
          "properties": {
            "author": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "category": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "description": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "id": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "license": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "name": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "reference": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "ruleset": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "uuid": {
              "ignore_above": 1024,
              "type": "keyword"
            },
            "version": {
              "ignore_above": 1024,
              "type": "keyword"
            }
          }
        }
      }
    }
  }
}