confirmation

confirmation - contains settings for all confirmation messages.

$("#grid1").shieldGrid({
    ...
    editing: {
        enabled: true,
        event: "doubleclick",
        type: "cell",
        confirmation: {
            "delete": {
                enabled: true,
                template: function (item) {
                    return "Delete row with ID = " + item.Id + "?";
                }
            }
        }
    }
    ...
});