ccxml elements

CCXML Voxeo 1.0 Development Guide

This documentation is for CCXML 1.0-Voxeo, which has been superceded by CCXML 1.0-W3C. The CCXML-Voxeo platform is not being updated any longer. The CCXML 1.0-W3C version, however, has many new features and is actively being enhanced. If you're writing a new CCXML application, you should use CCXML 1.0-W3C. Click here for the CCXML 1.0-W3C documentation.

<if> element

The <if> element, (in conjunction with the <else/elseif> elements), provides a method to utilize conditional logic expressions which allow the developer to change the control flow within the application based on variable values, or events.

usage

<if cond="(ECMAScript Expression)">

attributes

cond	Data Type: (ECMAScript Expression)	Default: none - attribute is required
	The cond attribute specifies an ECMAScript expression which can be evaluated to 'true' or 'false'. A condition must evaluate to 'true' in order for any enclosed operations to be performed.

parents

none

children

none

code samples

<If cond> sample

<?xml version="1.0" encoding="UTF-8" ?>
<ccxml version="1.0">

<var name="state0" expr="'init'"/>

<eventhandler statevariable="state0">

<transition event="connection.CONNECTION_ALERTING" name="evt">
<log expr="'*** INCOMING CALLID IS: ' + evt.calledid + ' ***'"/>
<accept/>
</transition>

<transition event="connection.CONNECTION_CONNECTED">
<log expr="'*** INCOMING CALL WAS ANSWERED ***.'"/>

<if cond="evt.callerid == '4075551234'">
<log expr="'*** \'IF\' CONDITION IS TRUE ***'"/>
<elseif cond="evt.callerid == '4075554321'"/>
<log expr="'*** \'ELSEIF\' CONDITION IS TRUE ***'"/>
<else/>
<log expr="'*** \'ELSE\' STATEMENT REACHED ***'"/>
<disconnect/>
</if>

</transition>


<transition event="call.CALL_INVALID">
<exit/>
</transition>

<transition event="error.*" name="evt">
<log expr="'*** ERROR HAS OCCURED [' + evt.error + '] ***'"/>
<exit/>
</transition>
</eventhandler>

</ccxml>

additional links

W3C Specification

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