# createCommand

#### createCommand(func, canExecute)
Widgets/createCommand.js 30

Create a Command from a given function, for use with ViewModels. A Command is a function with an extra `canExecute` observable property to determine whether the command can be executed. When executed, a Command function will check the value of `canExecute` and throw if false. It also provides events for when a command has been or is about to be executed.

Name | Type | Default | Description
--- | --- | --- | ---
`func` | function |  | The function to execute.
`canExecute` | Boolean | `true` | optional A boolean indicating whether the function can currently be executed.