# Advanced usage examples

These are examples of commonly requested implementations that we've seen in our practice.

{% content-ref url="advanced-examples/invoice" %}
[invoice](https://help.smallbuilder.com/smallbuilder-documents/advanced-examples/invoice)
{% endcontent-ref %}

{% content-ref url="advanced-examples/trigger" %}
[trigger](https://help.smallbuilder.com/smallbuilder-documents/advanced-examples/trigger)
{% endcontent-ref %}