public static async Task Lesson(DataServiceRestClient client)
{
await client.CreateParts(new[] { Part, SubPart });
await client.CreateCharacteristics(new[] { Characteristic, Child, SubChild });
//Depth null will result in a recursive search
var result = await client.GetCharacteristics(Part.Path, null);
Console.WriteLine($"Depth null: {result.Count()} characteristics");
//Depth 0 will return an empty list
result = await client.GetCharacteristics(Part.Path, 0);
Console.WriteLine($"Depth 0: {result.Count()} characteristics");
//Depth 1 will return the direct child characteristics
result = await client.GetCharacteristics(Part.Path, 1);
Console.WriteLine($"Depth 1: {result.Count()} characteristics");
//Depth 2 will return the direct children and their children, but not the children of subparts
result = await client.GetCharacteristics(Part.Path, 2);
Console.WriteLine($"Depth 2: {result.Count()} characteristics");
//Use UpdateParts and UpdateCharacteristics to rename entities, and modify their attributes
Part.Path = PathHelper.RoundtripString2PathInformation("P:/PartName2/");
await client.UpdateParts(new[] { Part });
}