## fhirPathNot() function

Returns a negated FHIRPath boolean expression.

**Signature:**

```typescript
export declare function fhirPathNot(input: TypedValue[]): TypedValue[];
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| input | [TypedValue](/content/docs/sdk/core.typedvalue) | The input array. |

**Returns:**

[TypedValue](/content/docs/sdk/core.typedvalue)

The negated type value array.

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