# Rename Fields

### Description

The Rename Fields processor can be used to rename resource, attribute, and log body fields.

### Supported Types

| Metrics | Logs | Traces |
| ------- | ---- | ------ |
| ✓       | ✓    | ✓      |

### Configuration Table

| Parameter        | Type                | Default                         | Description                                                                                                                                           |
| ---------------- | ------------------- | ------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------- |
| telemetry\_types | `telemetrySelector` | `["Logs", "Metrics", "Traces"]` | The list of telemetry types the processor will act on.                                                                                                |
| Condition        | `string`            | `true`                          | An OTTL condition that must evaluate to true to apply this processor. By default, the processor applies to all telemetry.                             |
| Field Type       | `string`            | `attributes`                    | Determines whether the field is renamed in the body, attributes, or resource fields of the telemetry. Note: Body fields are applicable only for logs. |
| Old Name         | `string`            | `""`                            | Specifies the existing field in the telemetry that the processor will rename.                                                                         |
| New Name         | `string`            | `""`                            | Indicates the new field name that will replace the old field name in the telemetry data.                                                              |

### Example Configuration

#### Renaming log body fields

In this example, we rename the `status` field in a log body to `status_code`. Since this change only applies to logs, we have disabled metrics and traces for this processor.

**Web Interface**

**Standalone Processor**

```yaml
apiVersion: bindplane.observiq.com/v1
kind: Processor
metadata:
  id: rename_fields_v2
  name: rename_fields_v2
spec:
  type: rename_fields_v2
  parameters:
    - name: telemetry_types
      value: ['Logs']
    - name: condition
      value: 'true'
    - name: fields
      value:
        - fieldType: body
          key: status
          value: status_code
```


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