bin/XEtemplates/Blocked Process Report.xml

<event_sessions xmlns="http://schemas.microsoft.com/sqlserver/2008/07/extendedeventsconfig">
   <event_session name="Blocked Process Report" maxMemory="8" eventRetentionMode="allowSingleEventLoss" trackCausality="false" dispatchLatency="30" maxEventSize="0" memoryPartitionMode="none">
    <templateCategory>
      <!-- _locID_text="templateCategory" _locComment = "" -->System Monitoring</templateCategory>
    <templateName>
      <!-- _locID_text = "templateName" _locComment = "" -->Blocked Process Report</templateName>
    <templateDescription>
      <!-- _locID_text = "templateDescription" _locComment = "" -->Captures the blocked process report. In order to capture a blocked process report, you must have the blocked process threshold system configuration option enabled (To capture blocking processes, configure blocked threshold (Set-DbaSpConfigure -SqlInstance sql2017 -ConfigName BlockedProcessThreshold -Value 5). </templateDescription>
      <event package="sqlserver" name="blocked_process_report" />
      <target package="package0" name="event_file">
         <parameter name="filename" value="Blocked Process Report" />
      </target>
   </event_session>
</event_sessions>