<assign>

Description

The <assign> element assigns a value to a variable.

In standards compliance mode, attempting to <assign> a value to a variable which has not been previously declared (with <var>) will result in an error.semantic event being thrown. If the com.voicegenie.STRICTCONFORMANCE property is set to FALSE, the variable can be assigned without being declared previously.

Syntax


<assign
    name="string"
    expr="ECMAScript_Expression"/>

Attributes

Attribute	Description
name	The name of the variable being assigned to. Required.
expr	An ECMAScript expression to be evaluated and used as the value assigned to the variable. Required.

Attribute Notes

An error.semantic event is thrown if the application attempts to <assign> a value to a session variable (i.e. if name refers to a session variable).

Parents

Children

None.

extensions

None.

Limitations/Restrictions

<assign> cannot be used as a child of <foreach> when <foreach> is a child of <prompt>.

Example


<?xml version="1.0"?>
<vxml version="2.0" xmlns="http://www.w3.org/2001/vxml">
  <var name="var1" expr="'first'"/>
  <form>
    <block>
      The initial value is <value expr="var1"/>.
      <assign name="var1" expr="'second'"/>
      The new value is <value expr="var1"/>.
    </block>
  </form>
</vxml>