How to add custom report in work orders search page under Print to Pdf button drop down list?

Summary:

How to add custom report in work orders search page under Print to Pdf button drop down list?

Supply Chain Execution --> Work Execution --> Manage Work Orders --> Search for work orders --> Select a work order and click on "Print to PDF" drop down list.

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Version (include the version you are using, if applicable):

r13

Code Snippet (add any code snippets that support your topic, if applicable):