> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/ios/bookmarks/edit.md).

# Edit PDF bookmarks: text, color, action on iOS

Learn how to edit a bookmark's color in a PDF document using the Bookmark API. Enhance navigation and readability with this code sample. The Apryse iOS SDK streamlines secure document processing and s

To edit a bookmark's color in an existing document.

{% tabs %}
{% tab title="Obj-C" %}
{% code lineNumbers="true" %}

```objc
PTPDFDoc *doc = [[PTPDFDoc alloc] initWithFilepath: filename];
PTBookmark *root = [doc GetFirstBookmark];

// Adding color to Bookmarks. Color and other formatting can help readers
// get around more easily in large PDF documents.
[red SetColor: 1 in_g: 0 in_b: 0];
```

{% endcode %}
{% endtab %}

{% tab title="Swift" %}
{% code lineNumbers="true" %}

```swift
let doc: PTPDFDoc = PTPDFDoc(filepath: filename)
let root: PTBookmark = doc.getFirstBookmark()

// Adding color to Bookmarks. Color and other formatting can help readers
// get around more easily in large PDF documents.
red.setColor(1, in_g: 0, in_b: 0)
```

{% endcode %}
{% endtab %}
{% endtabs %}

[Read, add, edit PDF outlines and bookmarks](/ios/get-started/samples.md#bookmarks) Full code sample which illustrates how to read and edit existing outline items and create new bookmarks using the high-level API

## About editing a bookmark

The Bookmark API allows you to change any property on an outline item, including title text, action, color, and formatting. Color and other formatting can help readers navigate large PDF documents more easily. The above code adjusts color and formatting properties on a Bookmark item.


---

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