Class ListItem

// This code sample deletes all list items from a List page
// Running this code sample against a Page that is a standard web page will
// cause getListItems() to throw an exception
var page = SitesApp.getSite('demositeappsscript').getChildByName('mylistpage');
var items = page.getListItems();
for(var i = 0; i < items.length; i++) {
  items[i].deleteListItem();
}

var page = SitesApp.getSite('example.com', 'mysite').getChildByName('mylistpage');
var items = page.getListItems();
var date = items[0].getDatePublished();

var page = SitesApp.getSite('example.com', 'mysite').getChildByName('mylistpage');
var items = page.getListItems();
var date = items[0].getLastUpdated();

var page = SitesApp.getSite('example.com', 'mysite').getChildByName('mylistpage');
var items = page.getListItems();
// parentPage will equal page
var parentPage = items[0].getParent();

var page = SitesApp.getSite("demositeappsscript").getChildByName("mylistpage");
var listItem = page.getListItems()[0];

// Remember that rows are 0 indexed. This returns the item in the first column
// of the list. If an index that is greater than the number of columns is used,
// the script will throw an "InvalidArgument: index" exception.
var value = listItem.getValueByIndex(5);

var page = SitesApp.getSite("demositeappsscript").getChildByName("mylistpage");
var listItem = page.getListItems()[0];

// Suppose we have a column named "Owner" - this will let us fetch the value
// for the list item
var value = listItem.getValueByName("Owner");
Logger.log(value);

var page = SitesApp.getSite('example.com', 'mysite').getChildByName('mylistpage');
var secondListPage = SitesApp.getSite('example.com', 'mysite')
                             .getChildByName('secondlistpage');
var items = page.getListItems();

// Returns secondListPage
var parentPage = items[0].setParent(secondListPage).getParent();

var page = SitesApp.getSite("example.com", "mysite").getChildByName("mylistpage");
var listItem = page.getListItems()[0];
listItem.setValueByIndex(1, 'This is the new value');
listItem.setValueByIndex(2, '<a href="http://www.example.com?a=1&amp;b=2">Example</a>');

var page = SitesApp.getSite("demositeappsscript").getChildByName("mylistpage");
var listItem = page.getListItems()[0];
listItem.setValueByName('Owner', 'Eric');
listItem.setValueByName('Page', '<a href="http://www.example.com?a=1&amp;b=2">Example</a>');