## SmartHealthLinkPayload.flag property [​](/content/docs/sdk/core.smarthealthlinkpayload.flag#smarthealthlinkpayloadflag-property/index.html)

**Signature:**

```typescript
flag?: string;
```

- [SmartHealthLinkPayload.flag property](/content/docs/sdk/core.smarthealthlinkpayload.flag#smarthealthlinkpayloadflag-property/index.html)