<!-- Extension API v0 — pre-1.0. Interfaces may change without notice until P2 seals the custom-code format. First-party extensions track HEAD. -->

# `catalog.category.update`

Update a category's name, installment cap, or position.

- **scope**: `catalog:write`
- **storefront-visible** (bumps the catalog generation): no
- **destructive**: no

## Payload

| field | type | required | notes |
|---|---|---|---|
| `id` | string (/^cat_[a-zA-Z0-9]{1,32}$/) | yes |  |
| `patch` | object | yes |  |
| `  name` | string (≤80 chars) | no |  |
| `  taksitCap` | integer (0..12) \| null | no |  |
| `  position` | integer (0..9007199254740991) | no |  |

### JSON Schema

```json
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "pattern": "^cat_[a-zA-Z0-9]{1,32}$"
    },
    "patch": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string",
          "minLength": 1,
          "maxLength": 80
        },
        "taksitCap": {
          "anyOf": [
            {
              "type": "integer",
              "minimum": 0,
              "maximum": 12
            },
            {
              "type": "null"
            }
          ]
        },
        "position": {
          "type": "integer",
          "minimum": 0,
          "maximum": 9007199254740991
        }
      },
      "additionalProperties": false
    }
  },
  "required": [
    "id",
    "patch"
  ],
  "additionalProperties": false
}
```