[TIMOB-23732] Windows:Unable to set instantMessage property of a contact

function logContactDetails(searchName) {
	var singleValue = [
	  'recordId', 'firstName', 'middleName', 'lastName', 'fullName', 'prefix', 'suffix', 
	  'nickname', 'firstPhonetic', 'middlePhonetic', 'lastPhonetic', 'organization', 
	  'jobTitle', 'department', 'note', 'birthday', 'created', 'modified', 'kind'
	];
	var multiValue = [
	  'email', 'address', 'phone', 'instantMessage', 'relatedNames', 'date', 'url'
	];

	var people = Ti.Contacts.getPeopleWithName(searchName);
	console.log(people.length);
	for (var i=0, ilen=people.length; i<ilen; i++){
	  Ti.API.info('---------------------');
	  var person = people[i];
	  for (var j=0, jlen=singleValue.length; j<jlen; j++){
	    Ti.API.info(singleValue[j] + ': ' + person[singleValue[j]]);
	  }
	  for (var j=0, jlen=multiValue.length; j<jlen; j++){
	    Ti.API.info(multiValue[j] + ': ' + JSON.stringify(person[multiValue[j]]));
	  }
	}
}

//Request authorization
Ti.Contacts.requestAuthorization(function(e) {
    if (e.success) {
        Ti.API.info('auth request success');
        Ti.API.info(JSON.stringify(e));
        var person = Ti.Contacts.createPerson({
	      firstName: 'Steven',
	      lastName: 'Gerrard',
	      organization: 'Liverpool FC',
	      phone:{
	        mobile: ['07900 000001', '07900 000002'],
	        work: ['+44 (0)118 925 6128', '+44 (0)118 000 0000']
	      },
	      instantMessage:{
	  	    home:[{service: 'Skype',username: 'StevenGerrard'}],
		    work:[{service: 'Skype',username: 'StevenGerrard8'}]
		  }
		 });
		 Ti.Contacts.save();
		 setTimeout(function(){logContactDetails('Gerrard');}, 5000);
    } else {
        Ti.API.info('auth request fail');
        Ti.API.info(e);
    }
});