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": "f58eff8b-6399-45f1-b11c-b9526478cb75",
    "type": "incident_form_field_selections",
    "attributes": {
      "incident_id": "b2623a6f-2955-4b9a-af5d-ca32ccc6ce9f",
      "custom_field_id": 177,
      "form_field_id": "41697f15-62e3-481b-b3e9-c20726e65268",
      "form_field": {
        "id": "41697f15-62e3-481b-b3e9-c20726e65268",
        "team_id": 195,
        "slug": "velit-sapiente-similique-voluptatum",
        "kind": "custom",
        "input_kind": "text",
        "value_kind": "inherit",
        "value_kind_catalog_id": null,
        "name": "Velit sapiente similique voluptatum.",
        "description": "Ex aliquam magnam aut.",
        "shown": [
          "web_new_incident_form",
          "web_update_incident_form"
        ],
        "required": [],
        "default_values": [],
        "show_on_incident_details": true,
        "enabled": true,
        "updated_at": "2025-10-09T10:25:01.872-07:00",
        "created_at": "2025-10-09T10:25:01.872-07:00",
        "options": [
          {
            "id": "a01ac596-e49a-4fee-bb1a-16fb55a865fb",
            "form_field_id": "41697f15-62e3-481b-b3e9-c20726e65268",
            "value": "Rerum aliquam molestiae iure.",
            "color": "#FBE4A0",
            "default": false,
            "position": 1,
            "updated_at": "2025-10-09T10:25:01.904-07:00",
            "created_at": "2025-10-09T10:25:01.904-07:00"
          },
          {
            "id": "fdc4c17b-eaf2-4669-96a4-2c4a4d76c659",
            "form_field_id": "41697f15-62e3-481b-b3e9-c20726e65268",
            "value": "Facilis dolorum iusto deserunt.",
            "color": "#FBE4A0",
            "default": false,
            "position": 2,
            "updated_at": "2025-10-09T10:25:01.907-07:00",
            "created_at": "2025-10-09T10:25:01.907-07:00"
          }
        ],
        "positions": [
          {
            "id": "fbf8c73e-d371-4b66-a7af-928b3e166205",
            "form_field_id": "41697f15-62e3-481b-b3e9-c20726e65268",
            "form": "web_new_incident_form",
            "position": 2
          },
          {
            "id": "9219e794-34f8-4774-8341-c94ed4bc18ca",
            "form_field_id": "41697f15-62e3-481b-b3e9-c20726e65268",
            "form": "web_update_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"
      }
    }
  }
}