HTTPConnection for application/x-www-form-urlencoded

Connection = New HTTPConnection("api.biletinial.com",,,,,,New OpenSSLSecureConnection());
RequestHeaders = New Map();
RequestHeaders.Insert("Content-Type", "application/x-www-form-urlencoded");
Request = New HTTPRequest("/token/", RequestHeaders);
      
Request.SetBodyFromString("username=makman@mallofistanbul.com.tr&password=MzQ2Nzg1NDY0NTY=&grant_type=password");
      
HTTPResponse = Connection.Post(Request);
ResponseText = HTTPResponse.GetBodyAsString();
      
If HTTPResponse.StatusCode = 200 Then
         
EndIf;