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# ProximityReaderDiscovery.Topic

The topics you can present to someone.

```
enum Topic
```

## Topics

### Creating a discovery object

[`case payment(ProximityReaderDiscovery.Topic.Payment)`](/documentation/ProximityReader/ProximityReaderDiscovery/Topic/payment(_:))

A topic related to accepting payments.

[`enum Payment`](/documentation/ProximityReader/ProximityReaderDiscovery/Topic/Payment)

The subtopics that show merchants how to accept different types of payments with *Tap to Pay* on iPhone.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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