group_field TEXT, -- field from this.hook.core_type to batch event targets together on, fed into reactor a group at a time.
template TEXT, -- the TT block. will have an 'environment' hash (or array of hashes, grouped events) built up by validator and collector(s), which can be modified.
granularity TEXT, -- could specify a batch which is the only time these events should actually run
+
+ message_template TEXT,
+ message_usr_path TEXT,
+ message_library_path TEXT,
+ message_title TEXT,
+
CONSTRAINT ev_def_owner_hook_val_react_clean_delay_once UNIQUE (owner, hook, validator, reactor, delay, delay_field),
CONSTRAINT ev_def_name_owner_once UNIQUE (owner, name)
);