DocumentLineItemInput(DocumentLineItemInput)

{
    "inv_type": "service",
    "qty": 0,
    "sales_unit_price": 0,
    "purchase_unit_price": 0,
    "description": "Replacement R-410A refrigerant cylinder.",
    "item_code": "73",
    "coverage_uom": "85",
    "cost_code": "67",
    "account_group": "65",
    "tax": "tax",
    "estimated_hours_per_day": 0,
    "work_duration_in_days": 3,
    "coverage_qty": 0,
    "discount": 0
}