```python
from qdrant_client import QdrantClient, models

client = QdrantClient(url="http://localhost:6333")

client.create_payload_index(
    collection_name="{collection_name}",
    field_name="name_of_the_field_to_index",
    field_schema=models.TextIndexParams(
        type="text",
        tokenizer=models.TokenizerType.WORD,
        stemmer=models.SnowballParams(
            type=models.Snowball.SNOWBALL,
            language=models.SnowballLanguage.ENGLISH
        )
    ),
)
```