set accessToken to retAccessToken() —Access Token
set reqURLStr to "https://slack.com/api/usergroups.list"
set aRec to {token:accessToken, include_disabled:"1", include_count:"1", include_users:"1"}

set aRes to callRestPOSTAPIAndParseResults(reqURLStr, aRec) of me

set aRESTres to json of aRes
set aRESCode to responseCode of aRes

set aRESHeader to responseHeader of aRes
–>　　{​​​​​Content-Type:"application/json; charset=utf-8", ​​​​​Access-Control-Allow-Origin:"*", ​​​​​X-Amz-Cf-Id:"zOmILG860ZDWHHwDA5h7HtLNDqYd8nlQyL-Wf_dKfC-b5jDKkr_p8A==", ​​​​​Content-Security-Policy:"referrer no-referrer;", ​​​​​Content-Encoding:"gzip", ​​​​​Server:"Apache", ​​​​​X-XSS-Protection:"0", ​​​​​Transfer-Encoding:"Identity", ​​​​​Via:"1.1 f8ebfacf2280f8de661be7a1f87ba74e.cloudfront.net (CloudFront)", ​​​​​Date:"Tue, 19 Apr 2016 06:16:37 GMT", ​​​​​Strict-Transport-Security:"max-age=31536000; includeSubDomains; preload", ​​​​​Connection:"keep-alive", ​​​​​X-Content-Type-Options:"nosniff", ​​​​​Vary:"Accept-Encoding", ​​​​​X-Cache:"Miss from cloudfront"​​​}

aRESTres as list of string or string
–>　　{​​​​​usergroups:{}, ​​​​​ok:1​​​}

–POST methodのREST APIを呼ぶ
on callRestPOSTAPIAndParseResults(aURL, aRec)
　　
　　load framework
　　
　　set aRes to retURLwithParams(aURL, aRec) of me
　　if aRes = false then return false
　　
　　set aRequest to current application’s NSMutableURLRequest’s requestWithURL:(current application’s |NSURL|’s URLWithString:aRes)
　　aRequest’s setHTTPMethod:"POST"
　　aRequest’s setCachePolicy:(current application’s NSURLRequestReloadIgnoringLocalCacheData)
　　aRequest’s setHTTPShouldHandleCookies:false
　　aRequest’s setTimeoutInterval:60
　　
　　–aRequest’s setValue:(token of aRec) forHTTPHeaderField:"token"
　　–aRequest’s setValue:(channel of aRec) forHTTPHeaderField:"channel"
　　–aRequest’s setValue:"application/json" forHTTPHeaderField:"Content-Type"
　　–aRequest’s setHTTPBody:dataJson
　　
　　–CALL REST API
　　set aRes to current application’s NSURLConnection’s sendSynchronousRequest:aRequest returningResponse:(reference) |error|:(missing value)
　　
　　–Parse Results
　　set resList to aRes as list
　　
　　set bRes to contents of (first item of resList)
　　set resStr to current application’s NSString’s alloc()’s initWithData:bRes encoding:(current application’s NSUTF8StringEncoding)
　　log resStr
　　
　　set jsonString to current application’s NSString’s stringWithString:resStr
　　set jsonData to jsonString’s dataUsingEncoding:(current application’s NSUTF8StringEncoding)
　　set aJsonDict to current application’s NSJSONSerialization’s JSONObjectWithData:jsonData options:0 |error|:(missing value)
　　
　　–Get Response Code
　　set dRes to contents of second item of resList
　　set resCode to ASify from (dRes’s statusCode())
　　
　　–Get Response Header
　　set resHeaders to ASify from (dRes’s allHeaderFields())
　　
　　return {json:aJsonDict, responseCode:resCode, responseHeader:resHeaders}
　　
end callRestPOSTAPIAndParseResults

on retAccessToken()
　　return "xxxx-XXXXXXXXXXX-XXXXXXXXXXX-XXXXXXXXXXX-XXxXxxXXXX"
end retAccessToken