> ## Documentation Index
> Fetch the complete documentation index at: https://trigger-v3-trigger-api-redesign.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Plain overview & authentication

## Overview

Plain is the customer support tool for technical teams and products.
It aims to bring engineering and customer service teams together by creating a modern opinionated platform that's fantastic to build with.

## Installing the Plain packages

<CodeGroup>
  ```bash npm
  npm install @trigger.dev/plain@latest
  ```

  ```bash pnpm
  pnpm install @trigger.dev/plain@latest
  ```

  ```bash yarn
  yarn add @trigger.dev/plain@latest
  ```
</CodeGroup>

## Authentication

Plain supports API Keys, to create yours read the [Plain authentication guide](https://www.plain.com/docs/graphql-api/authentication).

```ts
import { Plain } from "@trigger.dev/plain";

export const plain = new Plain({
  id: "plain",
  apiKey: process.env.PLAIN_API_KEY!,
});
```

## Tasks

Once you have set up a Plain client, you can use it to create tasks.

<CardGroup>
  <Card title="Tasks" icon="sparkles" href="/integrations/apis/plain-tasks">
    Perform tasks such as creating/updating customers and adding timeline entries.
  </Card>
</CardGroup>

## Example jobs

<Card title="Code examples" icon="code" href="https://trigger.dev/apis/plain">
  Check out pre-built jobs using Plain in our API section.
</Card>