# Chat with your Deka LLM
The **Service Portal** AI provides an interactive feature that allows you to directly communicate with the LLM model you selected when creating your Deka LLM. You can explore the model’s capabilities quickly, conveniently, and flexibly. To use the **Interactive Chat**, follow these steps:
* On the **Playground** tab page, select the model you wish to use in the **Choose Model** field.
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The available models correspond to those you selected when setting up your Deka LLM.\
You can add additional models by following the steps in the [Update Models](https://docs.cloudeka.ai/deka-llm/detail-deka-llm/update-models) section.
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* Enter your **Secret Key** in the **API Key** field.
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If you do not have a Secret Key, please refer to the [Get a Secret Key](https://docs.cloudeka.ai/deka-llm/detail-deka-llm/keys-tab/get-a-secret-key) section.
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* Input your prompt in the **Interactive Chat** area and click the **Send** button to submit your message.
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If you want to use another model of LLM, make sure to your Reset Chat button.
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