PullRequest initialize property explicitly

Pullrequestinitliazeproperty.cs

public class PullRequestRequest
{
    public PullRequestRequest(string body)
    {
      Body = body;
    }

    public string Body { get; set; }
}
    
//OR
    
public class PullRequestRequest
{
    public PullRequestRequest()
    {
      Body = "defaultBodyValue";
    }

    public string Body { get; set; }
}