When this setting is enabled the content of the tree will be loaded automatically after the creation of the tree.
Examples
disabled
<div id="tree"></div>
<script>
var tree = $('#tree').tree({
dataSource: '/Locations/Get',
autoLoad: false
});
tree.reload(); //call .reload() explicitly in order to load the data in the tree
</script>
enabled
<div id="tree"></div>
<script>
$('#tree').tree({
dataSource: '/Locations/Get',
autoLoad: true
});
</script>