# r

## Tag notifyStack

- Description:

    Notifications emited by <r:notify>, <r:notifyMessage> and <r:notifyMessages> are displayed in top-right corner of the screen by default.

    It is <r:notifyStack> which defines where messages will appear and handles their stacking.

    Stack also provides way how to remove messages from screen - when stack is re-rendered, current notifications are destroyed, freeing place for new notifications.

    @author Bernard Labno @author Lukas Fryc

- Component Information
  Info | Value
  --- | ---
  Component Type | `org.richfaces.NotifyStack`
  Display Name | None
  Handler Class | None
  Renderer Type | `org.richfaces.NotifyStackRenderer`
  Description | Notifications emited by <r:notify>, <r:notifyMessage> and <r:notifyMessages> are displayed in top-right corner of the screen by default. It is <r:notifyStack> which defines where messages will appear and handles their stacking. Stack also provides way how to remove messages from screen - when stack is re-rendered, current notifications are destroyed, freeing place for new notifications. @author Bernard Labno @author Lukas Fryc

- Attributes
  Name | Required | Type | Description
  --- | --- | --- | ---
  `binding` | `false` | `javax.el.ValueExpression` (must evaluate to `javax.faces.component.UIComponent`) | The value binding expression used to wire up this component to a component property of a JavaBean class
  `direction` | `false` | `javax.el.ValueExpression` (must evaluate to `org.richfaces.ui.message.notifyStack.StackingDirection`) | Defines in which direction will be notification stacked
  `id` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The component identifier for this component. This value must be unique within the closest parent component that is a naming container.
  `method` | `false` | `javax.el.ValueExpression` (must evaluate to `org.richfaces.ui.message.notifyStack.StackingMethod`) | Defines where new notifications will appear
  `position` | `false` | `javax.el.ValueExpression` (must evaluate to `org.richfaces.ui.message.notifyStack.CornerPosition`) | Defines the position of the start of stack: topLeft, topRight (default), bottomLeft, bottomRight
  `rendered` | `false` | `javax.el.ValueExpression` (must evaluate to `boolean`) | Flag indicating whether or not this component should be rendered (during Render Response Phase), or processed on any subsequent form submit. The default value for this property is true.

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