[
    {
        "caption": "Move Tab: To the left",
        "command": "move_tab",
        "args": { "position": "-1" }
    },
    {
        "caption": "Move Tab: To the right",
        "command": "move_tab",
        "args": { "position": "+1" }
    },
    {
        "caption": "Move Tab: To first position",
        "command": "move_tab",
        "args": { "position": "0" }
    },
    {
        "caption": "Move Tab: To last position",
        "command": "move_tab",
        "args": { "position": "999" }
    }
]