var VoiceXML element - Zvon reference

ZVON > References > VoiceXML Reference

Element:	var
Attributes:	\| expr \| name \|
Parents:	\| block \| catch \| error \| filled \| form \| help \| if \| noinput \| nomatch \| vxml \|
Description:	Go to Standard

Examples:

<vxml version="1.0">
     <var name="bye" expr="'Ciao'"/>
     <link next="operator_xfer.vxml">
          <grammar> operator </grammar>
     </link>
</vxml>

<vxml version="1.0">
     <meta name="author" content="John Doe"/>
     <meta name="maintainer" content="hello-support@hi.example"/>
     <var name="hi" expr="'Hello World!'"/>
     <form>
          <block>
               <value expr="hi"/>Goodbye!
          </block>
     </form>
</vxml>

<form id="test">
     <var name="one" expr="1"/>
     <field name="two" expr="one+1" type="number"/>
     <var name="three" expr="two+1"/>
     <field name="go_on" type="boolean">
          <prompt>Say yes or no to continue</prompt>
     </field>
     <filled>
          <goto next="#tally"/>
     </filled>
</form>

<form id="another_joke">
     <var name="r" expr="Math.random()"/>
     <field name="another" type="boolean">
          <prompt cond="r < .50"> Would you like to hear another elephant joke? </prompt>
          <prompt cond="r >= .50"> For another joke say yes. To exit say no. </prompt>
          <filled>
               <if cond="another">
                    <goto next="#pick_joke"/>
               </if>
          </filled>
     </field>
</form>

<vxml version="1.0">
     <form id="billing_adjustment">
          <var name="account_number"/>
          <var name="home_phone"/>
          <subdialog name="accountinfo" src="acct_info.vxml#basic">
               <filled>
                    <assign name="account_number" expr="accountinfo.acctnum"/>
                    <assign name="home_phone" expr="accountinfo.acctphone"/>
               </filled>
          </subdialog>
          <field name="adjustment_amount" type="currency">
               <prompt> What is the value of your account adjustment? </prompt>
               <filled>
                    <submit next="/cgi-bin/updateaccount"/>
               </filled>
          </field>
     </form>
</vxml>

<vxml version="1.0">
     <form id="getdriverlicense">
          <var name="birthday" expr="'1980-02-10'"/>
          <field name="drivelicense">
               <grammar src="http://grammarlib/drivegrammar.gram" type="application/x-jsgf"/>
               <prompt> Please say your driver’s license number. </prompt>
               <filled>
                    <if cond="validdrivelicense(drivelicense,birthday)">
                         <var name="status" expr="true"/>
                         <else/>
                         <var name="status" expr="false"/>
                    </if>
                    <return namelist="drivelicense status"/>
               </filled>
          </field>
     </form>
</vxml>

<form name="transfer">
     <var name="mydur" expr="0"/>
     <block>
          <audio src="chopin12.wav"/>
     </block>
     <transfer name="mycall" dest="phone://18005551234" connecttimeout="30s" bridge="true">
          <filled>
               <assign name="mydur" expr="mycall$.duration"/>
               <if cond="mycall == 'busy'">
                    <prompt> Sorry, our customer support team is busy serving other customers. Please try again later. </prompt>
                    <elseif cond="mycall == 'noanswer'"/>
                    <prompt> Sorry, our customer support team's normal hours are 9 am to 7 pm Monday through Saturday. </prompt>
               </if>
          </filled>
     </transfer>
     <block>
          <submit namelist="mycall mydur" next="/cgi-bin/report"/>
     </block>
</form>

<form id="getssn">
     <var name="firstname"/>
     <var name="lastname"/>
     <field name="ssn">
          <grammar src="http://grammarlib/ssn.gram" type="application/x-jsgf"/>
          <prompt> Please say social security number. </prompt>
          <filled>
               <if cond="validssn(firstname,lastname,ssn)">
                    <assign name="status" expr="true"/>
                    <return namelist="status ssn"/>
                    <else/>
                    <assign name="status" expr="false"/>
                    <return namelist="status"/>
               </if>
          </filled>
     </field>
</form>

<form>
     <subdialog name="result" src="#getdriverslicense">
          <param name="birthday" expr="'2000-02-10'"/>
          <filled>
               <submit next="http://myservice.example/cgi-bin/process"/>
          </filled>
     </subdialog>
</form>
<form id="getdriverslicense">
     <var name="birthday"/>
     <field name="drivelicense">
          <grammar src="http://grammarlib/drivegrammar.gram" type="application/x-jsgf"/>
          <prompt> Please say your driver's license. </prompt>
          <filled>
               <if cond="validdrivelicense(drivelicense,birthday)">
                    <var name="status" expr="true"/>
                    <else/>
                    <var name="status" expr="false"/>
               </if>
               <return namelist="drivelicense status"/>
          </filled>
     </field>
</form>

<vxml version="1.0">
     <form>
          <var name="hours"/>
          <var name="minutes"/>
          <var name="seconds"/>
          <block>
               <script> var d = new Date(); hours = d.getHours(); minutes = d.getMinutes(); seconds = d.getSeconds(); </script>
          </block>
          <field name="hear_another" type="boolean">
               <prompt> The time is
                    <value expr="hours"/> hours,
                    <value expr="minutes"/> minutes, and
                    <value expr="seconds"/> seconds.
               </prompt>
               <prompt>Do you want to hear another time?</prompt>
               <filled>
                    <if cond="hear_another">
                         <clear/>
                    </if>
               </filled>
          </field>
     </form>
</vxml>

<vxml version="1.0">
     <form id="getcredit">
          <var name="status" expr="'no_result'"/>
          <var name="username"/>
          <field name="creditcardnum">
               <prompt> What is your credit card number? </prompt>
               <help> I am trying to collect your credit card information.
                    <reprompt/>
               </help>
               <nomatch>
                    <return namelist="status"/>
               </nomatch>
               <grammar/>
          </field>
          <field name="expirydate" type="date">
               <prompt> What is the expiry date of this card? </prompt>
               <help> I am trying to collect the expiry date of the credit card number you provided.
                    <reprompt/>
               </help>
               <nomatch>
                    <return namelist="status"/>
               </nomatch>
          </field>
          <block>
               <assign name="status" expr="'result'"/>
               <return namelist="status creditcardnum expirydate"/>
          </block>
     </form>
</vxml>

<vxml version="1.0">
     <var name="username"/>
     <form id="buysoftware">
          <var name="ccn"/>
          <var name="exp"/>
          <grammar/>
          <initial name="start">
               <prompt> Please tell us the software product you wish to buy and the operating system on which it must run. </prompt>
               <noinput>
                    <assign name="start" expr="true"/>
               </noinput>
          </initial>
          <field name="product">
               <prompt> Which software product would you like to buy? </prompt>
          </field>
          <field mname="operatingsystem">
               <prompt> Which operating system does this software need to run on? </prompt>
          </field>
          <subdialog name="cc_results" src="http://somedomain.example/ccn.vxml">
               <filled>
                    <if cond="cc_results.status=='no_result'"> Sorry, your credit card information could not be Obtained. This order is cancelled.
                         <exit/>
                         <else/>
                         <assign name="ccn" expr="cc_results.creditcardnum"/>
                         <asssign name="exp" expr="cc_results.expirydate"/>
                    </if>
               </filled>
          </subdialog>
          <block> We will now process your order. Please hold.
               <submit namelist="username product operatingsystem ccn exp"/>
          </block>
     </form>
</vxml>

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