Accounts._checkPassword Does not work in autoform wizard step


#1
services: {
    type: Object,        
},
 'services.$': {
    type: Object,         
},
'services.$.password': {
    type: String,
    custom: function () {
       //updateId.get() is check it is insert of update 
        if(updateId.get() == undefined ){
	}else{
//for update code check password is match or not
	    var digest = Package.sha.SHA256(this.value);
	    return Meteor.call('checkPassword', digest,updateId.get()._id, function(err, result) {
		if (result) {
			console.log('the passwords match!');
		}else{
			console.log('the passwords DONT match!');	
			return "passwordMismatch";					
		}
	});
	}
		}
     },

Meteor.methods({
	checkPassword: function(digest,user) {
		check(digest, String);
		if (digest) {
			var password = {digest: digest, algorithm: 'sha-256'};
			var result = Accounts._checkPassword(Meteor.users.findOne({_id: user}), password);
			return result.error == null;
		} else {
			return false;
		}
	}
});

Please tell me when i am wrong
for validation
here console right but not return error