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Can't change model in pre-save hook

I have a need to generate auto-incrementing numbers. I added onPreSave business logic script which worked fine until today (well, I found it today). Here's the script:



function onPreSave(request, response, modules){

var collectionAccess = modules.collectionAccess,

body = request.body;



if (typeof body.uniqueId !== 'number') {

collectionAccess.collection('Counters').findAndModify({name: 'estimate'}, [], {$inc: {'counter': 1}},

function(err, doc) {

body.uniqueId = doc ? doc.counter : 0;

response.continue();

});

} else {

response.continue();

}

}



Unfortunately, Kinvey changed what is returned in `doc` argument to the callback function. Before it document with updated value, not some sort of following object:

{

entity: {...},

updatedExisting: true

}



Is this documented change and it will stay like this in the future?

Works, thank you.
Hi Serge- We found an error with count and deployed a fix-- can you confirm if you are still having this problem?
P.S. I can't edit my own message here.
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