void warn(string $string, null|int|string $verbosity = null) Write a string

$this timezone(DateTimeZone|string $timezone)

int callSilent(string $command, array $arguments = array()) Call another

string buildCommand() Build the command string.

$this everyThirtyMinutes() Schedule the event to run every thirty minutes

$this evenInMaintenanceMode() State that the command should run even in

bool hasOption(string $name) Determine if the given option is present.

$this evenInMaintenanceMode() State that the command should run even in

$this twiceDaily(int $first = 1, int $second = 13) Schedule the event to

Event call(string $callback, array $parameters = array())