function getEmails_(q) {
sh0.clear();
var emails = [];
var threads = GmailApp.search(q);
for (var i in threads) {
var msgs = threads[i].getMessages();
for (var j in msgs) {
emails.push([msgs[j].getPlainBody(), [msgs[j].getSubject(), [msgs[j].getDate(), [msgs[j].getTo(), [msgs[j].getFrom()
]]]]]);
}
}
return emails;
}
function appendData_(sh0, array2d) {
sh0.getRange(sh0.getLastRow() + 1, 1, array2d.length, array2d[0].length).setValues(array2d);
}
function saveEmails() {
var array2d = getEmails_(SEARCH_QUERY);
if (array2d) {
appendData_(sh0, array2d);
}}