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Overview
This node operation retrieves a specific upload from a designated storage bucket. It is useful when you need to access or process a particular file that has been previously uploaded and stored in a bucket. For example, you might use this node to fetch an image or document by its unique upload ID within a given bucket for further processing, analysis, or transfer.
Properties
| Name | Meaning |
|---|---|
| Bucket Id | The numeric identifier of the storage bucket where the upload resides. |
| Upload Id | The numeric identifier of the specific upload (file) to retrieve. |
Output
The output contains a JSON object representing the details and metadata of the requested upload. This typically includes information such as the file name, size, type, URL, and other relevant attributes describing the upload. If the node supports binary data output, it would represent the actual content of the file retrieved.
Dependencies
- Requires access to the external service managing buckets and uploads.
- Needs appropriate API credentials or authentication tokens configured in n8n to authorize requests.
- Network connectivity to the service endpoint is necessary.
Troubleshooting
Common issues:
- Invalid or missing Bucket Id or Upload Id can cause the node to fail retrieving the upload.
- Authentication errors if API credentials are not set up correctly.
- Network or permission issues preventing access to the bucket or upload.
Error messages:
- "Upload not found" indicates the specified upload ID does not exist in the given bucket.
- "Unauthorized" or "Authentication failed" suggests problems with API credentials.
- "Network error" or timeouts may require checking connectivity or service availability.
Resolving these usually involves verifying input IDs, ensuring valid credentials, and confirming network access.
Links and References
- Refer to the external service’s API documentation for detailed information on bucket and upload management.
- Consult n8n documentation on setting up API credentials and handling file data.