Creates an escalation level for an Escalation Path

curl --request POST \
  --url https://api.rootly.com/v1/escalation_paths/{escalation_policy_path_id}/escalation_levels \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "type": "escalation_levels",
    "attributes": {
      "position": 123,
      "notification_target_params": [
        {
          "id": "<string>",
          "type": "team",
          "team_members": "all"
        }
      ],
      "delay": 123,
      "paging_strategy_configuration_strategy": "default",
      "paging_strategy_configuration_schedule_strategy": "on_call_only",
      "escalation_policy_path_id": "<string>"
    }
  }
}
'

{
  "data": {
    "id": "6c345a1d-5f15-4151-8b02-a44130f77155",
    "type": "escalation_levels",
    "attributes": {
      "escalation_policy_path_id": "41bc1b08-710e-4f8e-9ff8-0420a20214e5",
      "position": 2,
      "delay": 2,
      "escalation_policy_id": "a1bf56f6-8d3a-4ac7-97ae-119949ea9b52",
      "paging_strategy_configuration_strategy": null,
      "paging_strategy_configuration_schedule_strategy": null,
      "created_at": "2026-01-03T21:26:13.397-08:00",
      "updated_at": "2026-01-03T21:26:13.397-08:00",
      "notification_target_params": [
        {
          "id": "161",
          "type": "user",
          "team_members": "all"
        },
        {
          "id": "846cde18-1ea4-4b44-942f-c2ede2b344ec",
          "type": "schedule",
          "team_members": "all"
        },
        {
          "id": "CX21345",
          "type": "slack_channel",
          "team_members": "all"
        }
      ]
    }
  }
}