[All schemas](/reference/schemas/) · [API reference](/reference/) · [Data mapping guide](/guides/data-model/)

## Fields

| Field | Required | Type / allowed values |
| --- | --- | --- |
| `items` | Yes | array |
| `next` | Yes | string or null |
| `catalog` | Yes | `CUM`, `IUM` |
| `pins` | Yes | [MedicationCatalogPins](/reference/schemas/medication-catalog-pins/) |

## JSON definition

The JSON retains the source contract descriptions. Do not translate property names or enum values.

```json
{
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/MedicationRow"
      }
    },
    "next": {
      "type": [
        "string",
        "null"
      ]
    },
    "catalog": {
      "type": "string",
      "enum": [
        "CUM",
        "IUM"
      ]
    },
    "pins": {
      "$ref": "#/components/schemas/MedicationCatalogPins"
    }
  },
  "required": [
    "items",
    "next",
    "catalog",
    "pins"
  ]
}
```