# Add Column — Smartsheet

> Add a single column to an existing sheet, at the end or at a chosen position. Returns the created column under result, including its ID. Use List Columns to see the existing columns and their positions first. To change a column that…

- Key: `smartsheet-add-column`
- Type: Action (Write)
- Version: 1.0.1
- App: Smartsheet (`smartsheet`) — https://pipedream.com/apps/smartsheet.md
- This page (HTML): https://pipedream.com/apps/smartsheet/actions/add-column
- Hints: open-world
- Source: https://github.com/PipedreamHQ/pipedream/blob/master/components/smartsheet/actions/add-column/add-column.mjs

## Description

Add a single column to an existing sheet, at the end or at a chosen position. Returns the created column under `result`, including its ID. Use **List Columns** to see the existing columns and their positions first. To change a column that already exists, use **Update Column**. [See the documentation](https://developers.smartsheet.com/api/smartsheet/openapi/columns/columns-addtosheet)

## Props

| Prop | Type | Required | Description |
|---|---|---|---|
| `sheetId` | `string` | Yes | The sheet to act on. Accepts a numeric sheet ID (e.g. 1234567890123456), or a Smartsheet sheet URL, which is resolved to the ID for you. Use List Sheets to enumerate sheets, or Search to find one by name. |
| `title` | `string` | Yes | The column title. Must be unique within the sheet. |
| `columnType` | `string` | Yes | The data type for this column. PICKLIST and MULTI_PICKLIST accept Picklist Options, but the API also creates them with no options (you can add options later with Update Column). Note that requesting DATETIME creates an ABSTRACT_DATETIME column, since DATETIME is reserved for system columns. Changing a column's type later can lose data. |
| `index` | `integer` | No | Zero-based position for the new column. If omitted, the column is added at the end. A value past the last column is clamped by the API rather than rejected. |
| `options` | `string` | No | JSON array of option strings for a PICKLIST or MULTI_PICKLIST column. Optional: the API also creates those columns with no options. Example: ["Low", "Medium", "High", "Critical"] |
| `validation` | `boolean` | No | Set to true to restrict cell values to the picklist options. PICKLIST and MULTI_PICKLIST only. |

## Run it

**MCP**

```ts
import { Client } from "@modelcontextprotocol/sdk/client/index.js"
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js"
import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const accessToken = await pd.rawAccessToken

const transport = new StreamableHTTPClientTransport(
  new URL("https://remote.mcp.pipedream.net/v3"),
  {
    requestInit: {
      headers: {
        Authorization: `Bearer ${accessToken}`,
        "x-pd-project-id": process.env.PIPEDREAM_PROJECT_ID!,
        "x-pd-environment": "production",
        "x-pd-external-user-id": "{external_user_id}", // any stable ID for this user in your system
        "x-pd-app-slug": "smartsheet",
      },
    },
  },
)

const mcp = new Client({ name: "my-agent", version: "1.0.0" })
await mcp.connect(transport)

const { tools } = await mcp.listTools()

// listTools() hands your model this tool's input schema, so it can
// fill the arguments itself:
const result = await mcp.callTool({
  name: "smartsheet-add-column",
  arguments: {
    sheetId: "Sheet ID or URL",
    title: "Column Title",
  },
})
```

**TypeScript**

```ts
import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "smartsheet-add-column",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    smartsheet: { authProvisionId: "apn_xxxxxxx" },
    sheetId: "Sheet ID or URL",
    title: "Column Title",
  },
})

console.log(result)
```

**cURL**

```bash
curl -X POST https://api.pipedream.com/v1/connect/{project_id}/actions/run \
  -H "Content-Type: application/json" \
  -H "X-PD-Environment: production" \
  -H "Authorization: Bearer {access_token}" \
  -d '{
    "external_user_id": "{external_user_id}",
    "id": "smartsheet-add-column",
    "configured_props": {
      "smartsheet": { "authProvisionId": "apn_xxxxxxx" },
      "sheetId": "Sheet ID or URL",
      "title": "Column Title"
    }
  }'
```

---

- App: https://pipedream.com/apps/smartsheet.md · All apps: https://pipedream.com/apps