## getParsedDerivedIdentifierExpression() function

**Signature:**

```typescript
export declare function getParsedDerivedIdentifierExpression(originalExpression: string, atom: FhirPathAtom): FhirPathAtom;
```

## Parameters

| Parameter            | Type                                           | Description |
|----------------------|------------------------------------------------|-------------|
| originalExpression    | string                                         |             |
| atom                 | [FhirPathAtom](/content/docs/sdk/core.fhirpathatom) |             |

**Returns:**

[FhirPathAtom](/content/docs/sdk/core.fhirpathatom)

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