AddData1 - New

Program.cs

private static async Task AddData1(string project, string usersCollectionId)
{
    FirestoreDb db = FirestoreDb.Create(project);
    // [START fs_add_data_1]
    DocumentReference docRef = db.Collection(usersCollectionId).Document("alovelace");
    Dictionary<string, object> user = new Dictionary<string, object>
    {
        { "First", "Ada" },
        { "Last", "Lovelace" },
        { "Born", 1815 }
    };
    WriteResult writeResult = await docRef.SetAsync(user);
    Console.WriteLine(writeResult.UpdateTime);
    // [END fs_add_data_1]
    Console.WriteLine("Added data to the alovelace document in the users collection.");
}