The Rename Participant plugin is used to change the text overlay name of a participant in a call. An example of what this looks like is in the image below.
How to load this plugin
To load this plugin, download the source code from the Github link here. Once you have this code, move it into the plugins folder of your theme.
Once you have copied these files, open the settings.json file inside of your branding package and add the following code to the plugins array.
If you have any doubt, visit the sections Create a branding package and Upload to Infinity.