Instance Method

isOptionalArgument(withName:)

Returns a Boolean value that indicates whether the command argument identified by the specified argument key is an optional argument.

Declaration

func isOptionalArgument(withName argumentName: String) -> Bool

Parameters

argumentName

Argument name (used as a key) that identifies the command argument to examine.

Return Value

true if the specified argument exists and is optional; otherwise, false.

See Also

Getting Command Argument Information

func appleEventCodeForArgument(withName: String) -> FourCharCode

Returns the Apple event code for the specified command argument of the receiver.

var argumentNames: [String]

Returns the names (or keys) for all arguments of the receiver’s command.

func typeForArgument(withName: String) -> String?

Returns the type of the command argument identified by the specified key.