---
title: Binding dictionary keys
framework: appkit
role: collectionGroup
role_heading: API Collection
path: appkit/binding-dictionary-keys
---

# Binding dictionary keys

These constants define keys in the binding information dictionary.

## Topics

### Constants

- [observedObject](appkit/nsbindinginfokey/observedobject.md)
- [observedKeyPath](appkit/nsbindinginfokey/observedkeypath.md)
- [options](appkit/nsbindinginfokey/options.md)

## See Also

### Key-Value Data

- [NSDictionaryController](appkit/nsdictionarycontroller.md)
- [NSDictionaryControllerKeyValuePair](appkit/nsdictionarycontrollerkeyvaluepair.md)
- [NSBindingName](appkit/nsbindingname.md)
- [NSBindingOption](appkit/nsbindingoption.md)
- [NSBindingInfoKey](appkit/nsbindinginfokey.md)
- [NSIsControllerMarker(_:)](appkit/nsiscontrollermarker(_:).md)
- [NSKeyValueBindingCreation](objectivec/nskeyvaluebindingcreation.md)