> ## Documentation Index
> Fetch the complete documentation index at: https://anaconda.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# prj.register_external_data

Register an external data reference, such as an S3 path, as a data asset.

```python theme={null}
prj.register_external_data(name, blobs, kind, annotations=None, tags=None, description=None)
```

Register external data (S3, databases, etc.) as a data asset.

Parameter

Type

Description

`name`

str

Asset name

`blobs`

list

URIs/references (e.g., `["s3://bucket/file.csv"]`)

`kind`

str

Data type (e.g., `"s3"`, `"database"`)

`annotations`

dict

Metadata

`tags`

dict

Tags

`description`

str

Description

```python theme={null}
self.prj.register_external_data("raw_logs",
    blobs=["s3://data-lake/logs/2025-01-01/"],
    kind="s3",
    annotations={"size_gb": 450})
```