How to get the burndown chart in Plan ?

Hello
I have created a custom Plan..And i added some plan views .
But when i check the plan details section I dont see any Burndown chart .
<plantype icon="/icons/obj16/iteration_plan.gif" id="com.ibm.team.apt.plantype.ccpsteamplan" name="CC-PS Team Plan">
<planmodes default="com.ibm.team.apt.viewmodes.internal.workBreakdown">
<planmode definition="com.ibm.team.apt.viewmodes.internal.developersTaskboard"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.workBreakdown"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.backlog2"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.plannedTime"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.milestone.roadmap"/>
</planmodes>
<planchecks>
<plancheck definition="com.ibm.team.apt.plancheck.schedulingCheck"/>
<plancheck definition="com.ibm.team.apt.plancheck.invalidEstimateCheck"/>
<plancheck definition="com.ibm.team.apt.plancheck.requiredAttribute"/>
</planchecks>
<planitems definition="com.ibm.team.apt.planitems.iterationPlan"/>
<scheduler definition="com.ibm.team.apt.scheduler.agileScheduler"/>
</plantype>
Please let me know where i am missing ?
Note :
I have created my custom plan as like Sprint backlog plan.
I have created a custom Plan..And i added some plan views .
But when i check the plan details section I dont see any Burndown chart .
<plantype icon="/icons/obj16/iteration_plan.gif" id="com.ibm.team.apt.plantype.ccpsteamplan" name="CC-PS Team Plan">
<planmodes default="com.ibm.team.apt.viewmodes.internal.workBreakdown">
<planmode definition="com.ibm.team.apt.viewmodes.internal.developersTaskboard"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.workBreakdown"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.backlog2"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.plannedTime"/>
<planmode definition="com.ibm.team.apt.viewmodes.internal.milestone.roadmap"/>
</planmodes>
<planchecks>
<plancheck definition="com.ibm.team.apt.plancheck.schedulingCheck"/>
<plancheck definition="com.ibm.team.apt.plancheck.invalidEstimateCheck"/>
<plancheck definition="com.ibm.team.apt.plancheck.requiredAttribute"/>
</planchecks>
<planitems definition="com.ibm.team.apt.planitems.iterationPlan"/>
<scheduler definition="com.ibm.team.apt.scheduler.agileScheduler"/>
</plantype>
Please let me know where i am missing ?
Note :
I have created my custom plan as like Sprint backlog plan.