---
title: stack kb streams put-streams-streamname-attachments-attachmenttype-attachmentid cli command
description: Link an attachment to a stream Behaviour flags: --dry-run — validate all inputs and exit without performing any action 
url: https://www.elastic.co/docs/reference/elastic-cli/cli/stack/kb/streams/put-streams-streamname-attachments-attachmenttype-attachmentid
applies_to:
  - Elastic Cloud Serverless: Preview
  - Elastic Stack: Preview
---

# stack kb streams put-streams-streamname-attachments-attachmenttype-attachmentid cli command
<cli-modifiers>
</cli-modifiers>

```bash
elastic stack kb streams put-streams-streamname-attachments-attachmenttype-attachmentid \
  --stream-name <stream-name> \
  --attachment-type <attachment-type> \
  --attachment-id <attachment-id> \
  [options]
```

Link an attachment to a stream
**Behaviour flags:**
`--dry-run` — validate all inputs and exit without performing any action

## Options

<definitions>
  <definition term="--stream-name string required">
    The name of the stream
  </definition>
  <definition term="--attachment-type string required">
    The type of the attachment
  </definition>
  <definition term="--attachment-id string required">
    The ID of the attachment
  </definition>
  <definition term="--input-file string">
    path to a JSON file to use as command input
  </definition>
  <definition term="--dry-run">
    validate all inputs and exit without performing any action (preview changes without applying them)
  </definition>
  <definition term="--no-validate">
    skip input validation and send the request as-is
  </definition>
</definitions>


## Global Options

<definitions>
  <definition term="--output-fields string">
    comma-separated list of fields to include in output (dot-notation supported)
  </definition>
  <definition term="--output-template string">
    Mustache-like template for custom text output (e.g. "{{id}}: {{name}}")
  </definition>
  <definition term="--json">
    output as JSON
  </definition>
</definitions>