test.js

TXDocumentViewer.annotations.setStampList([
  {
    "text": "text control rocks!",
    "color": "rgba(98, 158, 44, .9)",
    "font": "Arial",
    "size": "38",
    "weight": "bold",
    "style": "normal"
  },
  {
    "text": "custom stamp",
    "color": "rgba(0, 0, 200, .9)",
    "font": "Arial",
    "size": "60",
    "weight": "bold",
    "style": "normal"
  }
]);