---
title: environment_link_update
url: "/docs/ai-agents/mcp-tools/environment-links/environment_link_update/"
canonical_url: https://docs.blossom88.com/docs/ai-agents/mcp-tools/environment-links/environment_link_update/
markdown_url: https://docs.blossom88.com/docs/ai-agents/mcp-tools/environment-links/environment_link_update.md
summary: Rename the variable a link sets.
categories:
- mcp
- reference
---

# environment_link_update

Rename the variable a link sets.

| | |
|---|---|
| Access | Changes Blossom |
| Same as | [`blossom environment_link:update`](/docs/reference/cli/environment_link/update/) |

## Arguments

| Argument | Type | Description |
|---|---|---|
| `id` | string | Environment link id. Required. |
| `data` | object | Only the link fields to change. Required. |
| `data.var_name` | string | Variable that gets the connection URL, such as DATABASE_URL. |

## Example

```json
{"id":"environment_link-100","data":{"clone_url":"https://github.com/acme/shop","services":[{"name":"web","command":"web","port":3000,"publicly_exposed":true}]}}
```