Adding label to gmail message.

Every request I make to users.messages.modify (https://developers.google.com/gmail/api/v1/reference/users/messages/modify) returns:

{ errors:
    [ { domain: 'global',
        reason: 'invalidArgument',
        message: 'No label add or removes specified' } ],
   code: 400,
   message: 'No label add or removes specified' }

I am making the request like:

var service = Google.gmail({version : 'v1', auth : oauth2Client});
service.users.messages.modify({
    'userId': 'some email address',
    'id': 'some message id',
    'addLabelIds': ['some label id'],
    'removeLabelIds': []
}, function (err) {
    if (!err) {
        callback(true);
    } else {
        console.log(err);
        callback(false);
    }
});

Not sure if I am just missing something or if this is an issue with the library.

[ewein]

I solved it. The problem is you have to pass the addLabelIds parameter inside a resource object:

var service = Google.gmail({version : 'v1', auth : oauth2Client});
service.users.messages.modify({
    'userId': 'some email address',
    'id': 'some message id',
    'resource':{
        'addLabelIds': ['some label id'],
        'removeLabelIds': []
    }
}, function (err) {
    if (!err) {
        callback(true);
    } else {
        console.log(err);
        callback(false);
    }
});

The docs only say “In the request body, supply data with the following structure:”

{
  "addLabelIds": [
    string
  ],
  "removeLabelIds": [
    string
  ]
}

They don’t say anything about a resource object. Same goes for the users.labels.create function it says to put the request body in a label object but this library actually only takes a resource object.

[Roilan]

Doc still hasn’t been updated 😦

Spent time trying to figure out what was wrong before I came across this.