# Register

In order to register model architectures for a game on the NRN Agents platform, we will need to define a few parameters:

* `modelType`: `"neural-network"` for Feedforward Neural Network or `"simple"` for Tabular Agent.
* `architectureId`: The unique identifier you want to use for your model architecture.
* `inputDim`: The number of features in the state space (i.e. the input dimensionality).
* `actions`: The structure of the action space. Each action "head" is responsible for a portion of the action space. Thus, we have to define the list of actions that each head is able to execute.

{% hint style="info" %}
Developers can register their models in a no-code environment on our [dashboard](https://arcagents.ai)
{% endhint %}

## Javascript

Through the Javascript SDK developers can register as follows:

```javascript
const { Registry } = require('nrn-agents');

Registry.setApiKey("my-admin-api-key");
const registry = new Registry("my-game-id");

const registrationInputs = {
    modelType: "simple",
    architectureId: "my-first-model",
    inputDim: 7,
    actions = {
        direction: ["up", "down", "idle"]
    }
}

await Registry.register(registrationInputs)
```

## Unity

For Unity games, we created a component in the library that admins can add to the inspector. To use the registration component, follow these instructions:

1. Select any game object in the scene
2. In the Inspector, click `Add Component` and search for `NrnAgents` then proceed to select `Registration`
3. Fill out all the appropriate parameters and then click the "Register" button

Below is a snapshot of what the registration component looks like in the Unity inspector.

<figure><img src="/files/PD12WtromqxMjdnx8Uj3" alt="" width="328"><figcaption></figcaption></figure>

## Unreal

Not yet implemented. The NRN team will handle registration for the time being.


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