> ## Documentation Index
> Fetch the complete documentation index at: https://deepline.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Apollo: List Fields

> List the standard and custom fields in your Apollo CRM. Includes SDK V2 guidance, input constraints, response fields, and Deepline credit cost.

List the standard and custom fields in your Apollo CRM.

> [!NOTE]
>
> Tool ID: `apollo_list_fields`

## Run this action

Use the TypeScript SDK for one call. Use `ctx.tools.execute(...)` inside a Play for durable calls, scheduled calls, or CSV processing.

```ts theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
import { Deepline } from 'deepline';

const deepline = await Deepline.connect();
const result = await deepline.tools.execute(
  'apollo_list_fields',
  {},
);

console.log(result.toolResponse.raw);
```

### CLI

```bash theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
deepline tools execute apollo_list_fields --input '{}' --json
```

## Example response

The static output schema lacks the details for a reliable example. Use `deepline describe apollo_list_fields --json` for the complete live contract.

## Input reference

List all fields (default and custom) in your Apollo account.

This action requires no input fields.

<details>
  <summary>Show raw input schema</summary>

  ### Input JSON Schema

  ```json theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
  {
    "type": "object",
    "description": "List all fields (default and custom) in your Apollo account.",
    "properties": {},
    "required": [],
    "additionalProperties": false
  }
  ```
</details>

## Output reference

Apollo list fields result.

| Name | Type | Required | Default | Details |
| - | - | - | - | - |
| `result.data` | `record` | Yes | — | Payload with `fields` array. |
| `result.meta` | `record` | No | — | Additional response metadata (status, paging). |

<details>
  <summary>Show raw output schema</summary>

  ### Output JSON Schema

  ```json theme={"languages":{"custom":["/languages/deepline-prompt.json"]}}
  {
    "type": "object",
    "description": "Apollo list fields result.",
    "properties": {
      "data": {
        "type": [
          "object",
          "null"
        ],
        "description": "Payload with `fields` array.",
        "additionalProperties": {}
      },
      "meta": {
        "type": "object",
        "description": "Additional response metadata (status, paging).",
        "additionalProperties": {}
      }
    },
    "required": [
      "data"
    ],
    "additionalProperties": false
  }
  ```
</details>

## Deepline cost

* Pricing model: `fixed` (per call).
* Estimated Deepline credits: `0` per pricing unit.
* Provider-native pricing may still exist outside Deepline credit billing.

## Related documentation

* [Apollo provider guide](https://deepline.com/docs/providers/apollo/guide.md)
* [SDK V2 quickstart](https://deepline.com/docs/sdk-v2/quickstart.md)
* [SDK reference](https://deepline.com/docs/sdk-v2/sdk-reference.md)
* [Run tools across a CSV](https://deepline.com/docs/sdk-v2/batch-csv.md)


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