To save user information such as email address, name, etc., Javascript function is called to pass this info to BME. This should be done on every account sign-up and newsletter sign-up form success page.
var signupUserDataFields = {
"first_name": "Alfred",
"last_name": "Boomtrain",
"source": "newsletter_form",
"membership_type": "monthly",
"custom_field_1": "value",
"custom_field_2": "value"
};
_btn.trackAccountSignup("[email protected]", signupUserDataFields);