<if>

The <if> element is used for conditional logic. It has optional <else> and <elseif> elements.

Attributes
cond An ECMAScript expression to evaluate.


Child Tags
<audio>, <enumerate>, <assign>, <clear>, <data>, <disconnect>, <elseif>, <else>, <exit>, <foreach>, <goto>, <if>, <log>, <prompt>, <reprompt>, <return>, <script>, <submit>, <throw>, <value>, <var>


Parent Tags
<block>, <catch>, <error>, <help>, <if>, <filled>, <foreach>, <noinput>, <nomatch>


Notes
none


Example
<?xml version="1.0"?>
<vxml version="2.0">
    <form>
        <field name="myprompt" type="digits">
            <prompt>
                Say the magic number between 1 and 9.
            </prompt>
            <filled>
                <!-- The "cond" attribute within an "if" tag -->
                <!-- should contain a boolean ECMAscript expression. -->
                <if cond="myprompt==5">
                    <prompt>
                        You guessed correctly!
                    </prompt>
                <elseif cond="myprompt==4 || myprompt==6"/>
                    <prompt>
                        You're close. Try again.
                    </prompt>
                    <clear namelist="myprompt"/>
                <else/>
                    <prompt>
                        Try again.
                    </prompt>
                    <clear namelist="myprompt"/>
                </if>
            </filled>
        </field>
    </form>
</vxml>

An interaction with the above script could be:

Computer: Say the magic number between one and nine.
Human: Three.
Computer: Try again. Say the magic number between one and nine.
Human: Six.
Computer: You're close. Try again. Say the magic number between one and nine.
Human: Five.
Computer: You guessed correctly!