addParticipants method
To add participants to a group
Implementation
Future addParticipants({
required String groupId,
required List<String> phoneNumbers,
}) async {
final parseList = jsonEncode(phoneNumbers.map(parsePhone).toList());
return await wpClient.evaluateJs(
'''window.WPP.group.addParticipants(${groupId.groupParse},$parseList);''',
methodName: "addParticipants",
);
}