filter.py

from qdrant_client.http.models import Filter

    ...

    city_of_interest = "Berlin"

    # Define a filter for cities
    city_filter = Filter(**{
        "must": [{
            "key": "city", # We store city information in a field of the same name 
            "match": { # This condition checks if payload field have requested value
                "value": city_of_interest
            }
        }]
    })

    search_result = self.qdrant_client.search(
        collection_name=self.collection_name,
        query_vector=vector,
        query_filter=city_filter,
        top=5
    )
    ...