A Some add-ons are storing JSON formatted data in custom fields. JSON viewer and editor is a more user-friendly tool to display end edit JSON data in custom fields. Some add-ons are storing JSON formatted data in custom fields.
If a custom field contains JSON data there will be a little clickable icon. This will be visible in all places where custom fields are used .(if it contains JSON data)
Click on the icon to view and edit.
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A message will appear if the changes are correct and you can save the changes by clicking on the button Save.
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You will receive a message that the changes are saved.
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