landing_page/qdrant-landing/content/documentation/headless/snippets/create-payload-index/lowercase-full-text/csharp.md

using Qdrant.Client;
using Qdrant.Client.Grpc;

var client = new QdrantClient("localhost", 6334);

await client.CreatePayloadIndexAsync(
    collectionName: "{collection_name}",
    fieldName: "name_of_the_field_to_index",
    schemaType: PayloadSchemaType.Text,
    indexParams: new PayloadIndexParams
    {
        TextIndexParams = new TextIndexParams
        {
            Tokenizer = TokenizerType.Word,
            Lowercase = true,
        }
    }
);