A sample for sending email.

gistfile1.txt

var win = Ti.UI.createWindow();

var label1 = Ti.UI.createLabel
({
    text:'Some Documents listed',
    font:{fontWeight:'bold', fontSize:14},
    color: '#8c0000',
    height: 'auto',
    left: 10,
    top:10
});     

win.add(label1);

var emailContents = Ti.UI.createLabel
({
    text:'Some email contents to send',
    font:{fontSize:14},
    color: '#fff',
    height: 'auto',
    left: 10,
    top:30
});     

win.add(emailContents);

var buttonBar = Titanium.UI.createButtonBar({
	width:200,
	height:25,
	top:100,
	    labels:['Email your documents'],
	backgroundColor:'#8c0000',
	style:Titanium.UI.iPhone.SystemButtonStyle.BAR
});

buttonBar.addEventListener('click', function(e)
{
	var emailDialog = Titanium.UI.createEmailDialog();
	emailDialog.subject = "Fund Documents Request ";
	emailDialog.toRecipients = ['who@email.com'];
	emailDialog.messageBody = emailContents.text;
	//var f = Ti.Filesystem.getFile('whatever.pdf');
	//emailDialog.addAttachment(f);
	emailDialog.open();
});

win.add(buttonBar);
win.open();