# Create automation rule evaluator

POST http://localhost:5173/api/v1/private/automations/evaluators
Content-Type: application/json

Create automation rule evaluator

Reference: https://www.comet.com/docs/opik/reference/rest-api/automation-rule-evaluators/create-automation-rule-evaluator

## OpenAPI Specification

```yaml
openapi: 3.1.1
info:
  title: Create automation rule evaluator
  version: endpoint_automationRuleEvaluators.createAutomationRuleEvaluator
paths:
  /v1/private/automations/evaluators:
    post:
      operationId: create-automation-rule-evaluator
      summary: Create automation rule evaluator
      description: Create automation rule evaluator
      tags:
        - - subpackage_automationRuleEvaluators
      parameters: []
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/Automation rule
                  evaluators_createAutomationRuleEvaluator_Response_201
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/AutomationRuleEvaluator_Write'
components:
  schemas:
    AutomationRuleEvaluatorWriteType:
      type: string
      enum:
        - value: llm_as_judge
        - value: user_defined_metric_python
        - value: trace_thread_llm_as_judge
        - value: trace_thread_user_defined_metric_python
        - value: span_llm_as_judge
        - value: span_user_defined_metric_python
    AutomationRuleEvaluatorWriteAction:
      type: string
      enum:
        - value: evaluator
    AutomationRuleEvaluator_Write:
      type: object
      properties:
        project_id:
          type: string
          format: uuid
          description: Primary project ID (legacy field for backwards compatibility)
        project_ids:
          type: array
          items:
            type: string
            format: uuid
          description: Project IDs for write operations (used when creating/updating rules)
        name:
          type: string
        sampling_rate:
          type: number
          format: double
        enabled:
          type: boolean
        type:
          $ref: '#/components/schemas/AutomationRuleEvaluatorWriteType'
        action:
          $ref: '#/components/schemas/AutomationRuleEvaluatorWriteAction'
      required:
        - name
        - type
        - action
    Automation rule evaluators_createAutomationRuleEvaluator_Response_201:
      type: object
      properties: {}

```

## SDK Code Examples

```python
import requests

url = "http://localhost:5173/api/v1/private/automations/evaluators"

payload = {
    "name": "string",
    "type": "llm_as_judge",
    "action": "evaluator"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript
const url = 'http://localhost:5173/api/v1/private/automations/evaluators';
const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: '{"name":"string","type":"llm_as_judge","action":"evaluator"}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "http://localhost:5173/api/v1/private/automations/evaluators"

	payload := strings.NewReader("{\n  \"name\": \"string\",\n  \"type\": \"llm_as_judge\",\n  \"action\": \"evaluator\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby
require 'uri'
require 'net/http'

url = URI("http://localhost:5173/api/v1/private/automations/evaluators")

http = Net::HTTP.new(url.host, url.port)

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"string\",\n  \"type\": \"llm_as_judge\",\n  \"action\": \"evaluator\"\n}"

response = http.request(request)
puts response.read_body
```

```java
HttpResponse<String> response = Unirest.post("http://localhost:5173/api/v1/private/automations/evaluators")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"string\",\n  \"type\": \"llm_as_judge\",\n  \"action\": \"evaluator\"\n}")
  .asString();
```

```php
<?php

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'http://localhost:5173/api/v1/private/automations/evaluators', [
  'body' => '{
  "name": "string",
  "type": "llm_as_judge",
  "action": "evaluator"
}',
  'headers' => [
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp
var client = new RestClient("http://localhost:5173/api/v1/private/automations/evaluators");
var request = new RestRequest(Method.POST);
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"name\": \"string\",\n  \"type\": \"llm_as_judge\",\n  \"action\": \"evaluator\"\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift
import Foundation

let headers = ["Content-Type": "application/json"]
let parameters = [
  "name": "string",
  "type": "llm_as_judge",
  "action": "evaluator"
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "http://localhost:5173/api/v1/private/automations/evaluators")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```