How to call a Visual Flow using Button and VF Page


Through Button:

  Call by using the URL





Through VF page:

Flow with a input Parameter

<apex:page standardController="Case" tabStyle="Case" >
    <flow:interview name="ModemTroubleShooting">
        <apex:param name="vaCaseNumber" value="{!Case.CaseNumber}"/>
    </flow:interview>
</apex:page>

P.S: Comment Below for any Clarification or help!!

Happy working!! :) :) 


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