core.isackcode | Medplum
isAckCode() function
Type guard for a valid HL7 acknowledgment code (MSA-1).
Signature:
export declare function isAckCode(value: string | undefined): value is AckCode;
Parameters [](/content/docs/sdk/core.isackcode#parameters "Direct link to Parameters"/index.html)
| Parameter | Type | Description |
|---|---|---|
| value | string | undefined | The candidate code (already upper-cased, if applicable). |
Returns:
value is AckCode
True if value is one of the recognized AckCode values.