---
title: "doCommand(by:)"
framework: appkit
role: symbol
role_heading: Instance Method
path: "appkit/nsstandardkeybindingresponding/docommand(by:)"
---

# doCommand(by:)

Performs the given selector if possible.

## Declaration

```swift
optional func doCommand(by selector: Selector)
```

## Parameters

- `selector`: The selector to perform.