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": "ddafcc55-8330-412c-97e8-0225f21f6302",
    "type": "escalation_levels",
    "attributes": {
      "escalation_policy_path_id": "ec10f491-c109-4425-9a48-4e9c294fecd7",
      "position": 2,
      "delay": 2,
      "escalation_policy_id": "b00d8ebd-5412-4e8c-b289-27d08086e742",
      "paging_strategy_configuration_strategy": null,
      "paging_strategy_configuration_schedule_strategy": null,
      "created_at": "2026-01-27T07:01:15.521-08:00",
      "updated_at": "2026-01-27T07:01:15.521-08:00",
      "notification_target_params": [
        {
          "id": "299",
          "type": "user",
          "team_members": "all"
        },
        {
          "id": "20021345-f646-485d-a209-87136e9da93a",
          "type": "schedule",
          "team_members": "all"
        },
        {
          "id": "CX21345",
          "type": "slack_channel",
          "team_members": "all"
        }
      ]
    }
  }
}