Set a URL for browser redirection.

• string $url - URL to redirect to.
• string $msg - Message to display on redirect. Optional, defaults to value set internally by controller, if any.
• string $type - Message type. Optional, defaults to 'message' or the type set by a previous call to setMessage.
• return \JControllerLegacy - This object to support chaining.

public function setRedirect($url, $msg = null, $type = null)
 {
 $this->redirect = $url;

if ($msg !== null)
 {
 // Controller may have set this directly
 $this->message = $msg;
 }

// Ensure the type is not overwritten by a previous call to setMessage.
 if (empty($type))
 {
 if (empty($this->messageType))
 {
 $this->messageType = 'message';
 }
 }
 // If the type is explicitly set, set it.
 else
 {
 $this->messageType = $type;
 }

return $this;
 }