Creates an incident form field selection

curl --request POST \
  --url https://api.rootly.com/v1/incidents/{incident_id}/form_field_selections \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "type": "incident_form_field_selections",
    "attributes": {
      "incident_id": "<string>",
      "form_field_id": "<string>",
      "value": "<string>",
      "selected_catalog_entity_ids": [
        "<string>"
      ],
      "selected_group_ids": [
        "<string>"
      ],
      "selected_option_ids": [
        "<string>"
      ],
      "selected_service_ids": [
        "<string>"
      ],
      "selected_functionality_ids": [
        "<string>"
      ],
      "selected_user_ids": [
        123
      ]
    }
  }
}
'

{
  "data": {
    "id": "ab3e608c-497e-4e17-b71b-2ba83b7417a1",
    "type": "incident_form_field_selections",
    "attributes": {
      "incident_id": "d41835d0-f870-49b1-8cb3-e8366c58e6d0",
      "custom_field_id": 180,
      "form_field_id": "c360cdeb-d122-4c12-b846-8af6ea0087b4",
      "form_field": {
        "id": "c360cdeb-d122-4c12-b846-8af6ea0087b4",
        "team_id": 315,
        "slug": "aut-iure-rerum-libero",
        "kind": "custom",
        "input_kind": "text",
        "value_kind": "inherit",
        "value_kind_catalog_id": null,
        "name": "Aut iure rerum libero.",
        "description": "Nemo odit vel eaque.",
        "shown": [
          "web_new_incident_form",
          "web_update_incident_form"
        ],
        "required": [],
        "default_values": [],
        "show_on_incident_details": true,
        "enabled": true,
        "updated_at": "2026-02-09T13:13:33.212-08:00",
        "created_at": "2026-02-09T13:13:33.212-08:00",
        "options": [
          {
            "id": "1a506ed3-2a7b-42b2-9c71-27965905fa5a",
            "form_field_id": "c360cdeb-d122-4c12-b846-8af6ea0087b4",
            "value": "Voluptatem et eos dolores.",
            "color": "#FBE4A0",
            "default": false,
            "position": 1,
            "updated_at": "2026-02-09T13:13:33.230-08:00",
            "created_at": "2026-02-09T13:13:33.230-08:00"
          },
          {
            "id": "d5a6c4a9-90cd-4a88-a1e7-50878bb83ab9",
            "form_field_id": "c360cdeb-d122-4c12-b846-8af6ea0087b4",
            "value": "Temporibus quaerat sunt dolor.",
            "color": "#FBE4A0",
            "default": false,
            "position": 2,
            "updated_at": "2026-02-09T13:13:33.232-08:00",
            "created_at": "2026-02-09T13:13:33.232-08:00"
          }
        ],
        "positions": [
          {
            "id": "41f6c060-febe-4731-9028-7880e664d091",
            "form_field_id": "c360cdeb-d122-4c12-b846-8af6ea0087b4",
            "form": "web_update_incident_form",
            "position": 2
          },
          {
            "id": "e570c7e2-c4f4-4712-b631-0f79e59483b8",
            "form_field_id": "c360cdeb-d122-4c12-b846-8af6ea0087b4",
            "form": "web_new_incident_form",
            "position": 2
          }
        ]
      },
      "value": "Test custom field",
      "selected_group_ids": [],
      "selected_groups": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_option_ids": [],
      "selected_options": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_service_ids": [],
      "selected_services": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_functionality_ids": [],
      "selected_functionalities": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_catalog_entity_ids": [],
      "selected_catalog_entities": {
        "id": null,
        "value": "Test custom field"
      },
      "selected_user_ids": [],
      "selected_users": {
        "id": null,
        "value": "Test custom field"
      }
    }
  }
}