# Single Array Schema

```txt
http://jsonlogic.com/schemas/common/unary-arg.json#/oneOf/0
```

An array with just one element.


| Abstract            | Extensible | Status         | Identifiable            | Custom Properties | Additional Properties | Access Restrictions | Defined In                                                       |
| :------------------ | ---------- | -------------- | ----------------------- | :---------------- | --------------------- | ------------------- | ---------------------------------------------------------------- |
| Can be instantiated | No         | Unknown status | Unknown identifiability | Forbidden         | Allowed               | none                | [unary-arg.json\*](common/unary-arg.json "open original schema") |

## 0 Type

an array of merged types ([All](one-or-more-args-oneof-single-array-all.md))

## 0 Constraints

**maximum number of items**: the maximum number of items for this array is: `1`

**minimum number of items**: the minimum number of items for this array is: `1`