## set_simple_data_source(field_names, field_values) {#strlist_objectlist} Sets data source used to execute simple mail merge. ```python def set_simple_data_source(self, field_names: List[str], fie......'London', 'Classified'] mail_merger_context = aw.lowcode.MailMergerContext()...MailMergerContext() mail_merger_context.set_simple_data_source(fi...