## formatHl7DateTime() function

Formats an ISO date/time string into an HL7 date/time string.

**Signature:**

```typescript
export declare function formatHl7DateTime(isoDate: Date | string): string;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| isoDate | Date \| string | The ISO date/time string. |

**Returns:**

string  
The HL7 date/time string.
