> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mage.ai/llms.txt
> Use this file to discover all available pages before exploring further.
# Azure Blob Storage
## Configuration
To set up the Azure Blob Storage source, provide the following configuration parameters:
| Key | Description | Sample Value |
| ------------------- | ---------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------- |
| `connection_string` | Storage account connection string. | `BlobEndpoint=https://xxx.blob.core.windows.net/;yyyyyy&sig=testsig` |
| `container_name` | The name of the Blob storage container where the data is stored. | `testcontainer` |
| `prefix` | Path within the container where files are located. Do not include the container name or table name in this path. | `users/ds/20221225` |
## How to Find Connection String
* **Option 1:** Get the connection string from your Storage Account's Access Keys:\
[Microsoft documentation](https://learn.microsoft.com/en-us/answers/questions/1071173/where-can-i-find-storage-account-connection-string)
* **Option 2:** If you want to restrict access to the storage account, generate a **Shared Access Signature (SAS)** token and build the connection string:\
[Microsoft documentation](https://learn.microsoft.com/en-us/azure/applied-ai-services/form-recognizer/create-sas-tokens?view=form-recog-3.0.0#create-your-sas-tokens)