add header to rest shart request in csharp

To add a header to a REST request using RestSharp in C#, use the AddHeader method of the RestRequest object, passing the header key and value as parameters:

main.cs
using RestSharp;

// Create a new RestRequest object
RestRequest request = new RestRequest(Method.POST);

// Add a header to the request
request.AddHeader("Authorization", "Bearer YourAccessTokenHere");

// Execute the request
IRestResponse response = client.Execute(request);
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In the above example, a POST request is being created and an "Authorization" header is added to it. Replace "YourAccessTokenHere" with your actual access token.

Note that you'll need to create a RestClient object and define the URL you want to send the request to before executing the request.