Solved
Why does my action is hidden by a validator which I did't wrote it in the action.xml.






I would suggest du rename the action. There is an OOTB validator defined in codebase/com/ptc/windchill/ixb/ixb.service.properties.xconf
<Option requestor="null" serviceClass="com.ptc.windchill.ixb.importer.jca.validator.ImportFromSpreadsheetActionValidator" selector="createImportJob"/>
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