Flawed defining of action in action in hidden fields - AJAX

            //Original
            //$('#sendingclienturn_js').on('change keyup paste input',ajaxSubmit);

            $('#sendingclienturn_js').on('change keyup paste input',function(){
                    ajaxSubmit('buildorprojects');
                    ajaxSubmit('prospectstrength');
            });

            function ajaxSubmit(action){

                var adddetailstoanexistingclient_form = $('#adddetailstoanexistingclient_form').serialize();

                $.ajax({
                    type:"POST",
                    url: "<?php echo admin_url('admin-ajax.php'); ?>?action="+action,