const inputBody = '{
  "type": "object",
  "properties": {
    "params": {
      "type": "object",
      "required": [
        "itemId",
        "itemNumber",
        "quantity"
      ],
      "properties": {
        "itemId": {
          "type": "string",
          "format": "objectId",
          "description": "The ID of the hose assembly item (should match `itemId` in the path)."
        },
        "itemNumber": {
          "type": "string",
          "description": "Part number or identifier of the hose assembly."
        },
        "quantity": {
          "type": "number",
          "description": "Quantity to be used in the BOM."
        },
        "comments": {
          "type": "string",
          "description": "Optional comments for the hose assembly."
        }
      }
    }
  }
}';
const headers = {
  'Content-Type':'application/json',
  'Accept':'application/json',
  'Authorization':{
  "type": "string"
}
};

fetch('https://goldleaf.app/api/v1/hosekit/{hoseKitId}/hoseassembly/{itemId}/update',
{
  method: 'POST',
  body: inputBody,
  headers: headers
})
.then(function(res) {
    return res.json();
}).then(function(body) {
    console.log(body);
});