# Use @Condition

### The condition property

In the Javascript of the competency, we use the `conditions` property:

```javascript
import code from './main.converse'

export default {
    code,
    conditions: {
        authorize(data, user) {
            return user.variables.token;
        }
    }
}
```

The key is the name of your condition (here `authorize`), the value is a function with two parameters:

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### Use in the conversational script

The decorator `@Condition` is accompanied by another decorator.

```typescript
$token = ''

@Condition('authorize')
@Intent(/forbidden/i)
forbidden() {
   > It's ok !
}
```

In the code above, the function `forbidden` will be triggered if: 1. The user says `forbidden` 2. The `authorize` condition returns true. Here, the `token` global variable must have a value

> Of course, we could have done the same thing with the `if` condition directly in the script. The decorator `@Condition` can be very interesting to perform functions according to the platform. We will therefore use the parameter `data`