Select multi-page TextMarkup annotation as single annotation

The PDF Viewer library allows you to select the multi page TextMarkup annotation as a single annotation by enabling the enableMultiPageAnnotation property. By default it is false.

Step 1: Follow the steps provided in the link to create simple PDF Viewer sample.

Step 2: Add the following code snippet to select the multi page TextMarkup annotation as a single annotation, export and import multi page annotation.

// Enable multi-page TextMarkup Annotation.
viewer.enableMultiPageAnnotation = true;

// Export Annotation
document.getElementById('export').addEventListener('click', () => {
  viewer.exportAnnotation();
});

// Import Annotation.
document.getElementById('import').addEventListener('click', () => {
  viewer.importAnnotation("Add Export annotation file content");

Find the Sample how to select multi-page TextMarkup annotation as single annotation