---
title: "blobexpansion show"
slug: "blobexpansion-show"
tags: ["5.5"]
updated: 2026-10-27T23:00:54Z
published: 2026-10-27T23:00:54Z
canonical: "docs.vastdata.com/blobexpansion-show"
---

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

# blobexpansion show

Blob Expansion for Kafka Topics — show operation.

## Usage

```plaintext
vcli: admin> blobexpansion show --database-name DATABASE
                                --table-name TABLE
                               [--tenant-id TENANT]
                               [--source-column-name SOURCE_COLUMN]
```

## Required Parameters

| `--database-name DATABASE` | Kafka bucket name containing the source topic |
| --- | --- |
| `--table-name TABLE` | Source Kafka topic name |

## Options

| `--tenant-id TENANT` | Tenant ID (optional) |
| --- | --- |
| `--source-column-name SOURCE_COLUMN` | Source column name (defaults to 'value') |

## Example

This example shows the blobexpansion show command with sample values.

```plaintext
vcli: admin> blobexpansion show --tenant-id <integer> --database-name kafka_bucket --table-name my_topic --source-column-name value
```