JSON API - setMarkAsFinal

{
    "actions": [
        {
            "action": "setMarkAsFinal"
        },
        {
            "action": "addText",
            "data": {
                "text": "This is just a simple text to help illustrate how to mark a document as final."
            }
        },
        {
            "action": "addText",
            "data": {
                "text": "Beware that this 'protection' can be easily removed by a user."
            }
        }
    ]
}

Release notes

phpdocx 18.0:
- new action.