> For the complete documentation index, see [llms.txt](https://docs.planetcrust.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.planetcrust.com/human-connections/google/gmail/query-get-attachment-by-filename.md).

# Query: Get Attachment by Filename

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<figure><img src="/files/5kJqaCa4hNci9Yb597Jb" alt="" width="188"><figcaption></figcaption></figure>

<p align="center">The Get Attachment by Filename query retrieves a specific file attached to an email in Gmail based on its name.</p>

{% embed url="<https://www.youtube.com/watch?v=CyuUuaBSZzA>" %}

#### Example User Story

I want to get the 'Invoice\_2026.pdf' attachment from a client's email so I can process the payment.

#### Fields

| Field Name     | Field Type | Required |
| -------------- | ---------- | -------- |
| filename       | String     | Yes      |
| messageId      | String     | Yes      |
| attachmentData | Binary     | No       |

### Related Connections

[Gmail](/human-connections/google/gmail.md)

### Related Automations

Example link

### Code (Apache v2.0): Operation

```
{
  "handle": "get-attachment-by-filename",
  "state": "inDev",
  "meta": {
    "short": "Get Attachment by Filename",
    "description": "Retrieves an email attachment from Gmail by specifying the filename."
  },
  "input": [
    {
      "name": "filename",
      "type": "String",
      "required": true,
      "meta": {
        "description": "The name of the attachment file to retrieve."
      }
    },
    {
      "name": "messageId",
      "type": "String",
      "required": true,
      "meta": {
        "description": "The ID of the email message containing the attachment."
      }
    }
  ],
  "output": [
    {
      "name": "attachmentData",
      "type": "Binary",
      "selector": ["body"],
      "meta": {
        "description": "The binary data of the retrieved attachment."
      }
    }
  ],
  "steps": [
    {
      "type": "http",
      "http": {
        "method": "GET",
        "path": "/gmail/v1/users/me/messages/{{messageId}}/attachments",
        "headers": {},
        "queryParams": {
          "filename": "{{filename}}"
        }
      }
    }
  ]
}

```

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---

# Agent Instructions
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## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.planetcrust.com/human-connections/google/gmail/query-get-attachment-by-filename.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.