extension/total/promotion/get

{
    "error": [
        "string"
    ],
    "total": 0,
    "promotions": [
        {
            "promotion_id": 0,
            "name": "string",
            "title": "string",
            "total_promotion": true,
            "type": "string",
            "status": true,
            "sort_order": 0,
            "configuration": {},
            "total": 0,
            "total_use_limit": 0,
            "total_used": 0,
            "date_start": "string",
            "date_end": "string",
            "date_added": "string",
            "date_modified": "string",
            "categories": {}
        }
    ]
}