How do I use JSON arrays with Alamofire parameters?

Question

I'm having a bit of trouble structuring my parameters so that our server API would be able to read it as valid JSON.

Alamofire uses parameters like this in swift language

let parameters : [String: AnyObject] =
[
    "string": str
    "params": HOW I INSERT A VALID JSON ARRAY HERE
]

The problem is that AnyObject does not seem to accept JSON so how would I send / create a structure like this with swift?

{
"string": str, "params" : [
    {
        "param1" : "something",
        "param2" : 1,
        "param3" : 2,
        "param" : false
    },
    {
        "param1" : "something",
        "param2" : 1,
        "param3" : 2,
        "param" : false
    }]
}

Answer 1

Taken from Alamofire's GitHub page:

let parameters = [
    "foo": [1,2,3],
"bar": [
    "baz": "qux"
]
]

Alamofire.request(.POST, "http://httpbin.org/post", parameters: parameters, encoding: .JSON)
// HTTP body: {"foo": [1, 2, 3], "bar": {"baz": "qux"}}

EDIT: And from your example:

let parameters = [
    "string": "str",
"params": [[
    "param1" : "something",
    "param2" : 1,
    "param3" : 2,
    "param" : false
],[
    "param1" : "something",
    "param2" : 1,
    "param3" : 2,
    "param" : false
]
]
]

Answer 2

Solved this myself. I can just do

    parameters =
    [
        "params": array
    ]

Where array is Dictionary (String, AnyObject). The problem I initially had with this solution was that you can't insert booleans into this kind of dictionary, they will just be converted into integers. But apparently alamofire JSON encoding (I think) sends them as true/false values nevertheless.