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docs/snippets/csharp/plugins/embedding_backend.md

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+```csharp title="C#"
+using Kreuzberg;
+using System.Collections.Generic;
+
+var backend = new CustomEmbeddingBackend();
+EmbeddingBackendRegistry.Register(backend);
+
+public class CustomEmbeddingBackend : IEmbeddingBackend
+{
+    public string Name => "custom-embeddings";
+    public string Version => "1.0.0";
+
+    public void Initialize()
+    {
+        Console.WriteLine("Embedding backend initialized");
+    }
+
+    public void Shutdown()
+    {
+        Console.WriteLine("Embedding backend shut down");
+    }
+
+    public ulong Dimensions()
+    {
+        return 384;
+    }
+
+    public List<List<float>> Embed(List<string> texts)
+    {
+        var embeddings = new List<List<float>>();
+        foreach (var text in texts)
+        {
+            var embedding = new List<float>();
+            for (int i = 0; i < 384; i++)
+            {
+                embedding.Add((float)(text.Length % (i + 1)) / (float)(i + 1));
+            }
+            embeddings.Add(embedding);
+        }
+        return embeddings;
+    }
+}
+```