/// <summary>
/// Sets agenda logo. Existing logo will be replaced. Optimal size is 280 x 100 (96 DPI) or 900 x 300 (300 DPI). Max. file size is 5 MB.
/// </summary>
/// <param name="model">New logo.</param>
/// <returns><c>true</c>.</returns>
public ApiResult <bool> UploadLogo(LogoPostModel model)
{
if (model is null)
{
throw new ArgumentNullException(nameof(model));
}
var request = _client.CreateRequest(LogoUrl, Method.PUT);
request.AddFile(model.FileName, model.FileBytes, model.FileName);
request.AlwaysMultipartFormData = true;
return(_client.Execute <bool>(request));
}