## append() function

**Signature:**

```typescript
export declare function append<T>(array: T[] | undefined, value: T): T[];
```

## Parameters

| Parameter | Type                        | Description |
| --------- | --------------------------- | ----------- |
| array     | T[] | undefined              |             |
| value     | T                           |             |

**Returns:**

T[]

- [append() function](/content/docs/sdk/core.append#append-function/index.html)  
- [Parameters](/content/docs/sdk/core.append#parameters/index.html)