> For the complete documentation index, see [llms.txt](https://help.openloyalty.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.openloyalty.io/main-features/expressions/sample-use-cases/tier-upgrade-or-downgrade.md).

# 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
```


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