Introducing a new third-party add-on, Price Modifier for Event Espresso 4.
The Price Modifier add-on for Event Espresso 4 by Aparna’s Codex provides new functionality to the question/registration form editor, which allows event managers to create pricing questions that adds an extra cost for the selected items to the total registration cost. Basically, this add on can be used to sell additional items with registration.
Compatible with Multiple Event Registration
The Price Modifier add on is also compatible with the Event Espresso 4 Multiple Event Registration add on!