Save image with webviewer

Product: webviewer

Product Version: 10.7.3

Please give a brief summary of your issue:
Save image with webviewer

Please describe your issue and provide steps to reproduce it:
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I am loading a png image into webviewer. How do I save the image and annotation in a custom onclick event (as a png) I am able to save the image with the text of the annotation on the image. however the annotation comments do not save

followed the guide at Pdfdrawtest | Apryse Documentation

Please provide a link to a minimal sample where the issue is reproducible:

looks like all the spam pushed this down. any suggestions?