public static async Task<AddPlaceResponse> CreatePlace(this IUserSession session,
string name, double latitude,
double longitude, string containedWithin, string token)
{
var parameters = new TwitterParametersCollection
{
{"lat", latitude.ToString()},
{"long", longitude.ToString()},
{"name", name},
{"contained_within", containedWithin},
{"token", token}
};
return await session.PostAsync(TwitterApi.Resolve("/1.1/geo/create.json"), parameters)
.ContinueWith(c => c.MapToSingle<AddPlaceResponse>());
}
}