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Beanie uses Motor as an async database engine.
To initialize previously created documents, you should provide a Motor database instance
and a list of your document models to the `init_beanie(...)` function, as it is shown in the example:
```python
from beanie import init_beanie, Document
from motor.motor_asyncio import AsyncIOMotorClient
class Sample(Document):
name: str
async def init():
# Create Motor client
client = AsyncIOMotorClient(
"mongodb://user:pass@host:27017"
)
# Initialize beanie with the Sample document class and a database
await init_beanie(database=client.db_name, document_models=[Sample])
```
This creates the collection (if necessary) and sets up any indexes that are defined.
`init_beanie` supports not only a list of classes as the document_models argument,
but also strings with dot-separated paths:
```python
await init_beanie(
database=client.db_name,
document_models=[
"app.models.DemoDocument",
],
)
```
### Warning
`init_beanie` supports the parameter named `allow_index_dropping` that will drop indexes from your collections.
`allow_index_dropping` is by default set to `False`. If you set this to `True`,
ensure that you are not managing your indexes in another manner.
If you are, these will be deleted when setting `allow_index_dropping=True`.
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