---
title: SHCatalog
framework: shazamkit
role: symbol
role_heading: Class
path: shazamkit/shcatalog
---

# SHCatalog

An abstract base class for storing reference signatures and their associated metadata.

## Declaration

```swift
class SHCatalog
```

## Overview

Overview This is the base class of your custom catalog.

## Topics

### Accessing catalog properties

- [maximumQuerySignatureDuration](shazamkit/shcatalog/maximumquerysignatureduration.md)
- [minimumQuerySignatureDuration](shazamkit/shcatalog/minimumquerysignatureduration.md)

## Relationships

### Inherits From

- [NSObject](objectivec/nsobject-swift.class.md)

### Inherited By

- [SHCustomCatalog](shazamkit/shcustomcatalog.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)

## See Also

### Create a custom audio catalog

- [Building a Custom Catalog and Matching Audio](shazamkit/building-a-custom-catalog-and-matching-audio.md)
- [ShazamKit Dance Finder with Managed Session](shazamkit/shazamkit-dance-finder-with-managed-session.md)
- [SHCustomCatalog](shazamkit/shcustomcatalog.md)