{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/transaction_series",
  "title": "Transaction Series",
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "example": "FEE"
    },
    "related_transaction_token": {
      "oneOf": [
        {
          "type": "string",
          "format": "uuid",
          "example": "123e4567-e89b-12d3-a456-426614174000"
        },
        {
          "type": "null"
        }
      ]
    },
    "related_transaction_event_token": {
      "oneOf": [
        {
          "type": "string",
          "format": "uuid",
          "example": "123e4567-e89b-12d3-a456-426614174000"
        },
        {
          "type": "null"
        }
      ]
    }
  },
  "required": [
    "type",
    "related_transaction_token",
    "related_transaction_event_token"
  ]
}