feature steps class:

		[Given(@"I set job offer to the sent status")]
        public void GivenISetJobOfferToTheSentStatus()
        {
            string listName = "Job Offers";
            string jsonText = @"{'__metadata': { 'type': 'SP.Data.JobOffersItem' },'Status':'Sent'}";
            List<JToken> jobOffersDocumentlist = WebServiceSupport.GetJsonItemsFromList(listName).ToList();
            string itemId = jobOffersDocumentlist.Where(x => x["ApplicantFullName"].ToString().Equals(CandidateQA1Name) && x["JobRole"].ToString().Equals(JobOpeningName)).FirstOrDefault()["Id"].ToString();
            WebServiceSupport.UpdateItemInList(listName, itemId, jsonText);
        }
        
        
 WebServiceSupprortClass:
		internal static void UpdateItemInList(string listName, string itemId, string jsonText)
        {
            string listEndPoint = $"_api/lists/getbytitle('{listName}')/items({itemId})";
            RestClient client = CreateRestClient();
            RestRequest request = new RestRequest(listEndPoint, Method.POST);
            
            request.SetMergeMethod(jsonText);

            IRestResponse response = client.Execute(request);

        }

WebServiceExtentionsClass:
		public static void SetMergeMethod(this RestRequest restRequest, string jsonText)
        {
            restRequest.AddJsonBody(jsonText);
            restRequest.SetFormDigestValue();
            restRequest.AddHeader("IF-MATCH", "*");
            restRequest.AddHeader("X-HTTP-Method", "MERGE");
            restRequest.SetJsonFormatForResponce();
            restRequest.AddHeader("content-type", "application/json;odata=verbose");
            restRequest.AddHeader("content-length", jsonText.Length.ToString());
        }