Configuring JsonOptions with ASPNET Functions

Startup.cs

namespace OpenFaaS
{
    public class Startup
    {
        ...
    
        public void ConfigureServices( IServiceCollection services )
        {
            /*
               we don't have access to IMvcBuilder to use .AddJsonOptions extensions
               but we can do the below instead. This particular example sets
               camel casing, insensitive property names and ignore nulls
            */
            services.Configure<JsonOptions>( options =>
            {
                options.JsonSerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
                options.JsonSerializerOptions.PropertyNameCaseInsensitive = true;
                options.JsonSerializerOptions.DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull;
            } );
        }
        
        ...
    }
}