const inputBody = '{
  "type": "object",
  "properties": {
    "params": {
      "type": "object",
      "properties": {
        "quantity": {
          "type": "number",
          "description": "Quantity of the line item",
          "nullable": true
        },
        "lineNumber": {
          "type": "number",
          "description": "Line number of the item",
          "nullable": true
        },
        "comments": {
          "type": "string",
          "description": "Additional comments",
          "nullable": true
        },
        "itemType": {
          "type": "string",
          "description": "Type of the item",
          "nullable": true
        },
        "salesOrder": {
          "type": "string",
          "description": "Sales order reference",
          "nullable": true
        },
        "purchaseOrder": {
          "type": "string",
          "description": "Purchase order reference",
          "nullable": true
        },
        "itemId": {
          "type": "string",
          "description": "ID of the item (MongoDB ObjectId)",
          "pattern": "^[a-f\\d]{24}$",
          "example": "60c72b2f9b1e8e4f12345678"
        }
      }
    }
  },
  "required": [
    "itemId"
  ]
}';
const headers = {
  'Content-Type':'application/json',
  'Accept':'application/json',
  'Authorization':{
  "type": "string"
}
};

fetch('https://goldleaf.app/api/v1/workorder/{workOrderId}/addline',
{
  method: 'POST',
  body: inputBody,
  headers: headers
})
.then(function(res) {
    return res.json();
}).then(function(body) {
    console.log(body);
});