# r

## Tag hashParam

- Description:

    The <r:hashParam> component allows client-side parameters to be grouped into a hash map. The hash map can then be passed to the client JavaScript API functions of any RichFaces component.

    @author Anton Belevich

- Component Information
  Info | Value
  --- | ---
  Component Type | `org.richfaces.ui.HashParameter`
  Display Name | None
  Handler Class | `javax.faces.view.facelets.ComponentHandler`
  Renderer Type | None
  Description | The <r:hashParam> component allows client-side parameters to be grouped into a hash map. The hash map can then be passed to the client JavaScript API functions of any RichFaces component. @author Anton Belevich

- 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
  `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.
  `name` | `false` | `javax.el.ValueExpression` (must evaluate to `java.lang.String`) | The name of the javascript hash property which this hash should be assigned to (can be used as nested hashParameter) or null if no property should be used (can be used simply as function parameter).
  `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.

Output generated by Vdldoc View Declaration Language Documentation Generator.