> For the complete documentation index, see [llms.txt](https://docs.codebattles.ru/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.codebattles.ru/en_v3/instructions/chekery/izmenenie-chekera.md).

# Modifying a Checker

{% stepper %}
{% step %}

#### Go to the Checkers tab

<figure><img src="https://2655425656-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiPTT6KuqaB3zSOb7PH54%2Fuploads%2Fgit-blob-fa5727448fb77d02d2348c3075ad3ee767c24f69%2Fimage%20(71).png?alt=media" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}

#### Select the checker and click the edit button

<figure><img src="https://2655425656-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiPTT6KuqaB3zSOb7PH54%2Fuploads%2Fgit-blob-aa453e0bf69045eb3d6ab26e6eb38c311bfa70d0%2Fimage%20(72).png?alt=media" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}

#### Edit the values

<figure><img src="https://2655425656-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FiPTT6KuqaB3zSOb7PH54%2Fuploads%2Fgit-blob-8e2264488991391a3757769c3054caaf266ea279%2Fimage%20(75).png?alt=media" alt=""><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}

| Parameter     | Description                                                                                                                                                                                              |
| ------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Name          | Just the name                                                                                                                                                                                            |
| Language Name | Used for highlighting. Just the language name in lowercase                                                                                                                                               |
| Address       | <p>The address of the checker that implements the API.<br><br>For all standard checkers, the address is<br><br><em>http\://<mark style="color:yellow;">\<checker\_name></mark>:7070/api/v1/test</em></p> |