Manage orphanedItemStrategy for all the job in the instance

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Hello,

I’m searching for a way to manage “Orphaned Item Strategy” for all the job in my jenkins instance.

Actually i’m thinking of a script that will check all the config.xml and add the bloc under with a for/sed etc.

<orphanedItemStrategy class="com.cloudbees.hudson.plugins.folder.computed.DefaultOrphanedItemStrategy" plugin="cloudbees-folder@6.15">
    <pruneDeadBranches>true</pruneDeadBranches>
    <daysToKeep>5</daysToKeep>
    <numToKeep>5</numToKeep>
</orphanedItemStrategy>

Finally my question : is there a way to do that in the IHM for all the job plz ?

Thanks for your help !

Best regards,
Vincent