# useNotifications

A hook containing tools to add, remove, and fetch notifications.

```javascript
import { useNotifications } from 'useink/notifications'

export const MyNotifications = ({ children }) => {
  const { notifications, addNotification, removeNotification } = useNotifications()

  return (
    <div>
      <button
        onClick={() => {
          addNotification({ message: 'hello from the ink! team 🦑', type: 'None' })
        }}
      >
        Say hello
      </button>

      <ul>
        {notifications.map((n) => (
          <li key={n.id} onClick={() => removeNotification(n.id)}>
            {n.message}
          </li>
        ))}
      </ul>
    </div>
  )
}
```

### Return Type[​](https://use.ink/frontend/notifications/useNotifications#return-type) <a href="#return-type" id="return-type"></a>

```javascript
// Returns
interface UseNotifications {
  notifications: {
    id: string;
    createdAt: number;
    type: NotificationType;
    message: string;
    // Raw types from PolkadotJs
    result?: Codec | ISubmittableResult;
    chain?: ChainId; 
  }[];
  addNotification: (payload: AddNotificationPayload) => void;
  removeNotification: (id: string) => void;
}

interface AddNotificationPayload {
  type: NotificationType;
  message: string;
  result?: Codec | ISubmittableResult;
  chain?: ChainId;
}

type NotificationType =
  | 'None'
  | 'WalletConnected'
  | 'WalletDisconnected'
  | 'DryRun'
  | 'PendingSignature'
  | 'Errored' // Used for custom JavaScript errors
     // Potential transaction statuses
  | 'Future' | 'Ready' | 'Broadcast' | 'InBlock' | 'Retracted' | 'FinalityTimeout' | 'Finalized' | 'Usurped' | 'Dropped' | 'Invalid';
```


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