# NSPredicate

## Overview

### Subjects

### Filtering

#### %@ => All the data

```swift
predicate: NSPredicate(format: "fieldname < %@", "criteria")  // filtering less than the criteria
```

#### %K %@

## Sample Codes

```swift
predicate: nil  // no filtering
```

```swift
predicate: NSPredicate(format: "fieldname == 'criteria'")  // filtering
```

## Sources

### Videos

{% embed url="<https://youtu.be/sh1lzhgsc64>" %}
[Hacking with Swift / 100 Days / Day-58 - Filtering @FetchRequest using NSPredicate](https://www.hackingwithswift.com/books/ios-swiftui/filtering-fetchrequest-using-nspredicate)
{% endembed %}

### Articles / Documents

*

## See also

*