How to add/update/delete annotations based on condition?

[system]

Hello, I’m Ron, an automated tech support bot

While you wait for one of our customer support representatives to get back to you, please check out some of these documentation pages:

Guides:

• Real-time collaboration client
• Add annotation events - annotationChanged (add/modify/delete)
• Create fillable forms - Modify fields to readonly

APIs:

• Core.AnnotationManager - deleteAnnotations(annotation [, options])
• UndefinedannotationChanged
• Core.Annotations.TextSquigglyAnnotation - new TextSquigglyAnnotation( [initializer])

Forums:

• Flipped annotations aren’t triggering annotationChanged (modify) event, also NOT getting saved/export
• Annotations are getting displaced when zoom in and out are done abit fast
• Annotations State or Status