Forwards a request from one controller to the next without issuing an HTTP redirect.
forward action: "show"forward controller: "book", action: "list"forward action: "show", id: 4, params: [author: "Stephen King"]forward controller: "book", action: "show"
Forwards the current action to another action, optionally passing parameters and/or errors.
controller - The controller to redirect to; defaults to the current controller if not specified
action - The action to redirect to, either a string name or a reference to an action within the current controller
id - The id to use in redirection
params - Parameters to pass to the action redirected to.