public String getButtonNameMap() {
Map buttonNameMap = new Map();
for(LiveChatButton chatButton:[SELECT DeveloperName FROM LiveChatButton WHERE DeveloperName =:buttonNamesSet LIMIT :Limits.getLimitQueryRows() - Limits.getQueryRows()] ) {
buttonNameMap.put(chatButton.DeveloperName,chatButton.Id);
}
return JSON.serialize(buttonNameMap);
}
