For users on the Volusion 1 platform, you can add the "Main Code" to enable the floating trustmark. Please refer to the support article below from the Volusion help center:
https://helpcenter.volusion.com/run-your-business/other/how-to-install-a-third-party-javascript
You can find the "Main Code" in the Floating Trustmark section of your McAfee SECURE portal:
At this time, Volusion 2 does not provide access to edit the website's source code.