# Tier Upgrade or Downgrade

### Rewarding Member for Tier Upgrade or Downgrade

If you choose the **Member Tier Updated** campaign trigger, the campaign will activate whenever a member's tier is either upgraded or downgraded.

To reward a member solely for reaching a higher tier, include the following expression in the campaign rules:

```plaintext
event.body.tierMoveUp == true
```

To reward a member exclusively for downgrading their tier, include this expression in the campaign rules:

```plaintext
event.body.tierMoveDown == true
```