Function clearPourable

clearPourable(nozzleId): Promise<undefined | KosServiceResponse<unknown>>
Invokes the endpoint to clear the selected pourable for the specified nozzle. Uses the KOS endpoint [DELETE] ${URL}/api/ext/dispense/nozzle/${nozzleId}/pipeline/beverage/select
Parameters
- nozzleId: string
  the nozzle id to clear the selected pourable for.
Returns Promise<undefined | KosServiceResponse<unknown>>
- an emtpy response.
Example
```
import { NozzleServices } from "@kosdev-code/kos-dispense-sdk";
...
try {
   const response = await NozzleServices.clearPourable("nozzle-1");
   if (response?.status !== 200) {
    throw new Error("Failed to clear pourable");
   }
} catch (e) {
  console.error(e);
}
```