```csharp using Qdrant.Client; using Qdrant.Client.Grpc; var client = new QdrantClient("localhost", 6334); await client.CreateCollectionAsync( collectionName: "{collection_name}", vectorsConfig: new VectorParams { Size = 100, Distance = Distance.Cosine }, metadata: new() { ["my-metadata-field"] = "value-1", ["another-field"] = 123 } ); ```