The kernel of the MAM Suite: it builds the JSON that drives every app screen and owns the app-settings registry, notification dispatcher, push credentials, user roles, cron, and Gravity Forms…

How the apps pick each map pin, the pin card (map_pin_style), map_pin_force_default, the List/Map switch (list_show_map_switch), and the generic map filter keys map_filters, map_filter_values and map_card_lines.

The shape of the JSON payload returned by local_app_get_phone_data: top-level keys, button arrays, content sections, form data, notification list, navigation, and the conventions sibling plugins must follow when injecting their…

How each of the three notification channels is sent: wp_mail or queue for email, the global $sms object for SMS, and APNs/FCM via MAM_PushDispatcher for push. Covers the per-channel sender…

How wp_mam_notifications_history records every dispatch, how the in-app notification center reads it, and the opt-out tables (per-user email opt-out, SMS STOP, push permission revocation).