Extract data from fillable pdf swift

Question

I need to extract the data that is typed into a fillable pdf in swift. When I try to retrieve the data using pdf.string I get the text right before and after the fillable box but not the text in the box. Does anyone know how to get the data in the fillable box?

Answer 1

I know it has been a while but I found the answer in case anyone else finds this useful. My annotations are of the widget variety.

for annotation in page.annotations {
    print(annotation.widgetStringValue)
}