Add Section Break in Word with NET REST API. https://kb.aspose.cloud/words/net/add-section-break-in-word-with-net-rest-api/

Add Section Break in Word with NET REST API.cs

using System.IO;
using Aspose.Words.Cloud.Sdk;
using Aspose.Words.Cloud.Sdk.Model;
using Aspose.Words.Cloud.Sdk.Model.Requests;

namespace WordsSample.Words
{
    public class WordFileOperations
    {
        public void InsertSection()
        {
            var wordsApi = new WordsApi("Client ID", "Client Secret");
            var request = new InsertSectionOnlineRequest();
            request.Document = File.OpenRead("Sections.docx");
            request.SectionIndex = 0;
            var task = wordsApi.InsertSectionOnline(request);
            task.Wait();
            var result = task.Result;
            if(result.TryGetValue("", out var stream))
            {
                stream.Position = 0;
                using (var fileStream = File.Create("RemoveSection.docx"))
                {
                    stream.Seek(0, SeekOrigin.Begin);
                    stream.CopyTo(fileStream);
                }

            }
        }
    }
}