Send email from google sheets based on active row

function activeRowEmail() {
var sheet = SpreadsheetApp.getActiveSheet();
var activeRow = sheet.getActiveCell().getRowIndex();
var name = sheet.getRange(activeRow, 1).getValue();
var email = sheet.getRange(activeRow, 2).getValue();
var score = sheet.getRange(activeRow, 3).getValue();
MailApp.sendEmail(email,"custom email","hello " + name + ", This is an email report of your score. Your score is " + score);
}

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