Here are some basic query examples: for a detailed explanation on MongoDB query capabilities please visit: https://docs.mongodb.com/manual/tutorial/query-documents/

Please also note: the Alpha-Release is currently limited to findAll function.

{
    "a":"1"
}

{
    "a":1
}

{
    "a": {
        "b":"1"
    }
}

{
    "a": {
        "b":1
    }
}

{
    "a": {
       [ "b","c","d"]
    }
}