nextcloud-desktop/shell_integration/dolphin/ownclouddolphinactionplugin.json.in

{
    "KPlugin": {
        "MimeTypes": [
            "application/octet-stream",
            "inode/directory"
        ],
        "Name": "@APPLICATION_NAME@Action",
        "ServiceTypes": [
            "KFileItemAction/Plugin"
        ]
    },
    "MimeType": "application/octet-stream;inode/directory;"
}