@SivakumarKanoori  yes you are correct. I have written the logic in sling model. I will change the logic to if the field is having the value already dont update from the JSON so that value you input manually will remain over there.

For the JSON upload I have created separate component. From this JSON file , two components will get update. After uploading the JSON ,if author will update the dialog, node should get the update. I am not using the JS. I am modifying the JCR properties from the backend by reading the JSON file.

  I am uploading the JSON. Based on this JSON other components fields are getting update. When I am opening the dialog values are coming from the uploaded JSON, which is correct . if I am changing dialogs value and saving the dialog , then again on the page values are coming from the JSON. Requireme...

End user will not have the access for the DAM. They can just author the page but can not upload the asset in DAM. This is part of requirement that is why I am facing issues. If user will directly upload the pdf file in DAM then I can read the path.

I am working on one of the requirement where user will upload the pdf files from the local machine. PDF will get store in AEM DAM. Then PDF name will get display on the page.I have added the multifield in my component and I am using "cq/gui/components/authoring/dialog/fileupload" to browse the PDF f...