get multiple fields $first in mongo code example

Example 1: mongodb match multiple fields

$match:
{
	$and: [
    {'ExtraFields.value': {$in: ["A52A2A"]}}, 
    {'ExtraFields.fieldID': ObjectId("5535627631efa0843554b0ea")}
    ]
}

Example 2: mongodb find multiple fields

{ <field1>: <value>, <field2>: <value> ... }