Share Google Slides & Sheets with a list of Gmails in a Google Sheet

gistfile1.txt

// Sharing Sheets
// In the Google Sheet, click on Extensions > Apps Script.
function shareSheet() {
    const sheet = SpreadsheetApp.getActiveSpreadsheet();
    const emailsSheet = SpreadsheetApp.openById("YOUR_SPREADSHEET_ID"); // Link to your Google Sheets file with emails
    const emails = emailsSheet.getSheetByName("Emails").getRange("A1:A").getValues().flat(); // Change Accordingly
    
    emails.forEach(email => {
        if (email) {
            sheet.addEditor(email);
        }
    });
}

// Sharing Slides
// In the Google Slides, click on Extensions > Apps Script.
function shareSlides() {
    const slides = SlidesApp.getActivePresentation(); // Get the active Google Slides presentation
    const emailsSheet = SpreadsheetApp.openById("YOUR_SPREADSHEET_ID"); // Link to your Google Sheets file with emails
    const emails = emailsSheet.getSheetByName("Emails").getRange("A1:A").getValues().flat();
    
    emails.forEach(email => {
        if (email) {
            slides.addEditor(email); // Share with each email as an editor
        }
    });
}