<block>

Description

Specifies executable content to be executed in document order.

Syntax


<block
    name="string"
    expr="ECMAScript_Expression"
    cond="ECMAScript_Expression">
  child elements
</block>

Attributes

Attribute	Description
name	The name of this block. This variable can be referenced anywhere within the block's form. Optional. (Defaults to an inaccessible internal variable.)
expr	An ECMAScript expression to be evaluated and used as the initial value of this block. This block will be visited only if the expression evaluates to `undefined`. Optional. (Defaults to undefined.)
cond	An ECMAScript expression to be evaluated and used as a boolean condition. This block will be visited only if the expression evaluates to `true`. Optional. (Defaults to true.)

Attribute Notes

An error event may be thrown if a reserved ECMAScript word is used as the name.

Parents

<form>

Children

<assign>, <audio>, <clear>, <data>, <disconnect>, <exit>, <foreach>, <goto>, <if>, <log>, <prompt>, <reprompt>, <return>, <script>, <submit>, <throw>, <value>, <var>, #PCDATA

extensions

None.

Limitations/Restrictions

None.

Example


<?xml version="1.0"?>
<vxml version="2.0" xmlns="http://www.w3.org/2001/vxml">
  <form>
    <block name="first">
      This is a block.
      <goto nextitem="second"/>
    </block>
    <block name="second">
      This is another block.
    </block>
  </form>
</vxml>