Sets activity counters for a requested site member.
If the counter does not already exist, it will be created.
Counters are identified with a custom key, which must be unique.
Note: Make sure to pass a memberId and not a contactId to identify the member. Any relationship between a member's memberId and contactId is coincidental.
You can only call this method when authenticated as a Wix app or Wix user identity.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.