---
title: "Action custom_modules__update"
description: "Updates an existing custom module record by ID."
---

# Action `custom_modules__update`

> **System ID:** `action_custom_modules__update`

## Description

Updates an existing custom module record. The ID is taken from `fields.id` or from the module constant (`{module_name}.id`). Fields come from `fields` or from user constants. The updated record is stored in `set_to` / `saved_entity` or in the module name.

## Events (scenario branches)

| Event | When it occurs |
|-------|----------------|
| **success** | Record updated and stored in a constant |
| **error** | Module missing, record not found, or update failed |

## Parameters

| Parameter | Type | Required | Default | Description |
|-----------|------|----------|---------|-------------|
| `module_name` | string | yes | — | Module alias; `model` is also accepted |
| `bot_id` | number | no | current bot | Module bot ID |
| `fields` | object | no | `null` | Fields to update; must include `id` (or ID in the module constant) |
| `set_to` | string | no | module name | Constant for storing the result; also `saved_entity` |

## Configuration example

```json
{
  "module_name": "order",
  "fields": {
    "id": "{{order_id}}",
    "status": "completed",
    "completed_at": "{{current_date}}"
  },
  "set_to": "completed_order"
}
```

## Related docs

- [Actions reference](/en/actionjail/reference/actions-reference.md)