Swagger required OpenApiParameter for header

Hi,

Im using Swaasbuckle v5 for .net core v3.

When I made my OpenApiParameter required to true its not allowing me to submit the request and alwasy fires required validation even if I enter data.

operation.Parameters.Add(new OpenApiParameter
{
    Name = "apiAccessKey",
    In = ParameterLocation.Header,
    Required = true,
    Schema = new OpenApiSchema
    {
        Type = nameof(String)
    }
});

//Below line is from startup when adding swagger options
c.OperationFilter<AddRequiredHeaderParameter>();

Thanks.