List schema

curl --request POST \
  --url https://eu.platform.go.gbgplc.com/v2/captain/journey/task/list/schema \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "instanceId": "PiIuACmx8Q8R7qPnAkLAqBAT"
}
'

{
  "status": "InProgress",
  "instanceId": "<string>",
  "tasks": [
    {
      "taskId": "<string>",
      "schema": {
        "type": "<unknown>",
        "description": "<unknown>",
        "example": "<unknown>"
      },
      "variantId": "<string>"
    }
  ],
  "schemas": {
    "dynamicObject": {}
  }
}