## Hl7Message.buildAck() method

Returns an HL7 "ACK" (acknowledgement) message for this message.

**Signature:**

```typescript
buildAck(options?: Hl7AckOptions): Hl7Message;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| options | [Hl7AckOptions](/content/docs/sdk/core.hl7ackoptions) | _(Optional)_ The optional options to configure the "ACK" message. |

**Returns:**

[Hl7Message](/content/docs/sdk/core.hl7message)

The HL7 "ACK" message.

- [Hl7Message.buildAck() method](/content/docs/sdk/core.hl7message.buildack#hl7messagebuildack-method/index.html)
- [Parameters](/content/docs/sdk/core.hl7message.buildack#parameters/index.html)