Sending mail by button [closed] - email

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I want to send e-mail after confirmation box. I make a button and push after i should choice yes or no. If NO nothing do. If yes i want to start to SendAnEmail.
Please help me. How can I start the function SendAnEmail?
Thank you.
function SendAnEmail() {
var email = 'my#mail.com'
var subject = 'mySubject';
var body = 'body of mail';
GmailApp.sendEmail(email, subject, body);
}
function test(){
var ui = SpreadsheetApp.getUi();
var ret = ui.alert('Do you want send e-mail?', ui.ButtonSet.YES_NO);
if(ret == ui.Button.YES)
{GmailApp.sendEmail}
}
Thank you

Answer 1

You are almost there
The only thing you need to do is to call function SendAnEmail() when the button Yes is pressed.
So:
function test(){
var ui = SpreadsheetApp.getUi();
var ret = ui.alert('Do you want send e-mail?', ui.ButtonSet.YES_NO);
if(ret == ui.Button.YES){
SendAnEmail()
}
}