{"id":"pdf-text-watermark","engine":"media","category":"file","name":"Watermark PDF","fields":[{"key":"file","label":"Choose a PDF file","type":"file","accept":"application/pdf,.pdf","multiple":false,"required":true},{"key":"text","label":"Watermark text","type":"text","default":"CONFIDENTIAL"},{"key":"size","label":"Font size in points","type":"number","default":42,"min":8,"max":160,"step":1},{"key":"opacity","label":"Opacity percent","type":"number","default":20,"min":1,"max":100,"step":1}],"sample":{}}