# Feature experimentation

## 1 - Retrieve your credentials

{% hint style="warning" %}
🚧 Access to your credentials

This feature and the access to the [generation of credentials](https://docs.developers.flagship.io/reference/authorization) is related to the [Remote Control API](https://docs.developers.flagship.io/reference/getting-started), it's still in Early Adoption phase, if you want to try it and have any questions, feel free to ask [**product.feedback@abtasty.com**](mailto:product.feedback@abtasty.com)
{% endhint %}

Create credentials

<figure><img src="/files/G2Xtz0KMelmZflfKAPWc" alt=""><figcaption></figcaption></figure>

## 2 - Use [auth login](/server-side/command-line-interface/ab-tasty-cli-reference-v1xx/feature-experimentation/feature-experimentation-authentication.md) command

Once you retrieve your credentials, use the `abtasty-cli feat-exp auth login`cmd to create your auth file. You can create an auth file in two ways:

### insert credentials

```shell
abtasty-cli feat-exp auth login --username USERNAME -i CLIENT_ID -s CLIENT_SECRET -a ACCOUNT_ID
```

### insert a file

The file inserted must have the same schema as the example below to extract the credentials.

```yaml
username: username
account_id: ai
account_environment_id: aei
client_id: ci
client_secret: cs
```

```shell
abtasty-cli feat-exp auth login -p PATH_FILE
```

The `abtasty-cli feat-exp auth login` command creates a file with the username name as fileName and stores it in $HOME/.abtasty/credentials/fe/USERNAME.yaml and writes the value of the flags as key-value pairs then you can use the use command to generate the access token to manage your flagship resources automatically.

{% hint style="info" %}
📘 List configurations

You can use the command`abtasty-cli feat-exp auth list`to check your auth files
{% endhint %}

## Required for account environment-related resources - Use [account-environment use](/server-side/command-line-interface/ab-tasty-cli-reference-v1xx/feature-experimentation/feature-experimentation-account-environment.md) command

The use command lets you select the configuration you want to manage

```shell
abtasty-cli feat-exp account-environment use -i ACCOUNT_ENVIRONMENT_ID
```

The command generates a token that expires after 24 hours and automatically refreshes.

{% hint style="success" %}
👍 CLI usage

After selecting an auth file, you are good to go !
{% endhint %}


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