Request error Google Cloud NLP API with Swift - swift

Question

I am trying to make a request to Google Cloud NLP API to obtain sentiment analysis for a piece of text. I used Postman to design the correct request, and I was able to get a valid response using Postman. However, when I try to make the same request from Swift, it gives me an error. The error and code snippet used to make the request is shown below.
func sendAPIRequest(with text: String){
print("Text: ", text)
let jsonRequest = [
[
"document":[
"type":"PLAIN_TEXT",
"language": "EN",
"content":"'Lawrence of Arabia' is a highly rated film biography about British Lieutenant T. E. Lawrence. Peter O'Toole plays Lawrence in the film."
],
"encodingType":"UTF8"
]
]
let jsonObject = JSON(jsonRequest)
let headers: HTTPHeaders = [
"X-Ios-Bundle-Identifier": "\(Bundle.main.bundleIdentifier ?? "") ",
"Content-Type": "application/json"
]
let APIRequest = Alamofire.request("https://language.googleapis.com/v1/documents:analyzeSentiment?key=\(gCloudAPIKey)", method: .post , parameters: jsonRequest as? [String: Any], encoding: JSONEncoding.default , headers: headers).responseJSON { (response) in
print(response)
if let json = response.result.value {
print("JSON: \(json)")
}
}
Error:
JSON: {
error = {
code = 400;
details = (
{
"#type" = "type.googleapis.com/google.rpc.BadRequest";
fieldViolations = (
{
description = "Must have some text content to annotate.";
field = "document.content";
}
);
}
);
message = "One of content, or gcs_content_uri must be set.";
status = "INVALID_ARGUMENT";
};
}

Answer 1

Sorry. Solved it. My jsonRequest should be of type Parameters according to Alamofire.
let jsonRequest: Parameters =
[
"document":[
"type":"PLAIN_TEXT",
"language": "EN",
"content":"\(text)"
],
"encodingType":"UTF8"
]