## assert\_2() function [​](/content/docs/sdk/core.assert_2#assert_2-function "Direct link to assert_2(/index.html) function")

**Signature:**

```typescript
export declare function assert(condition: unknown, msg?: string): asserts condition;
```

## Parameters [​](/content/docs/sdk/core.assert_2#parameters "Direct link to Parameters"/index.html)

| Parameter | Type | Description |
| --- | --- | --- |
| condition | unknown |  |
| msg | string | _(Optional)_ |

**Returns:**

asserts condition

- [assert\_2() function](/content/docs/sdk/core.assert_2#assert_2-function/index.html)
- [Parameters](/content/docs/sdk/core.assert_2#parameters/index.html)