How Do I Add Google Analytics OnClick To Wordpress Contact Form 7 Submit Button
Using event Listener trigger analytics while click contact form submit button,
document.addEventListener( 'wpcf7mailsent', function( event ) { ga( 'send', 'event', 'Contact Form', 'submit' );}, false );
REF : https://contactform7.com/tracking-form-submissions-with-google-analytics/