How to get successful MSG with MVC?

[feva]

//Controller//Store: Admin
this.getAdminStore().sync({
success: function(batch, option){
alert(option.operations.update[0].raw.id);
//How to get the response MSG at here?
}
// ,failure: function(batch, option){
// ...
// }
});

[feva]

Think to oneself.
this.getReader().rawData.success

But I don't konw how to set response:
1.
{
success:true,
data:{
msg: '...'
}
}
2.
{
success:true,
msg: '...',
data:{

}
}

Which one is standard?

[mitchellsimoens]

If you have structure like this:

{
    success : true,
    data : [...]
}

And your reader is setup like this:

{
    type : 'json',
    root : 'data'
}

Then I would say you should put things in the root level like:

{
    success : true,
    msg : 'Something here',
    data : []
}

As the reader is expecting valid record objects in the data array. Here is how I do it:

var reader = store.proxy.reader,
    msg    = reader.createAccessor('msg')(reader.rawData);