# Package org.apache.tapestry5.alerts

package org.apache.tapestry5.alerts
Support for a standard way of presenting alerts to the user, via the `AlertManager` service combined with the `Alerts` component.

Since:
  5.3

- Related Packages
  Package
  Description
  org.apache.tapestry5
  Root package for Tapestry, containing common interfaces and data types used throughout the framework.
- Class
  Description
  Alert
  An Alert that may be presented to the user.
  AlertManager
  Manages `Alert`s (using the `AlertStorage` SSO.
  AlertStorage
  A stateless session object used to store Alerts between requests.
  Duration
  Controls how long an `Alert` is displayed to the end user.
  Severity
  The severity of an `Alert`, used primarily to control how it is decorated when presented to the user on the client side.