# Custom Contract

You can set your requirement based on a specific function of a contract based on Ethereum or Polygon:

<figure><img src="https://126530284-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FFWk9XI1GLsUugEWDfuWd%2Fuploads%2Fg9JlS0esCJhsnKxwcSaT%2Fcustom-contract.gif?alt=media&#x26;token=4d4a8f2a-66e0-4ef0-8080-ebd495680d23" alt=""><figcaption></figcaption></figure>