Get invoice items for a given invoice.

{
  "type": "object",
  "properties": {
    "invoice_id": {
      "type": "string"
    },
    "limit": {
      "type": "string"
    },
    "namespace": {
      "type": "string"
    },
    "offset": {
      "type": "string"
    },
    "ordering": {
      "type": "string"
    }
  },
  "required": [
    "invoice_id",
    "namespace"
  ],
  "additionalProperties": false
}