Reading the topic created here: Can Mautic Do This? I saw an interesting requirement:
I wonder, regardless if using API or not, how to accomplish this? If you have a dynamic list of services, what is the best way to setup Mautic to know which contacts belong to each service, and how to extract that information?
But is it possible to create a custom field that has multiple values, and even be dynamically modified? For example, I could have services A, B and C. How to configure a custom field so a customer is configured to have services āAā and āCā? And if a new āDā service is created later, it could be added?
Yes sure.
In settings - custom fields you can create any field you want. Choose select - multiple kind and add the list of options there (write the same in both columns)
You can add more options by clicking on the yellow button.