I have to submit result of survey to lime survey database.I have created a mobile app and display list of survey.I have submitted all kind of question answer to limesurvey database but finding problem in submitting result of file upload type question.from my analysis i just understand that when user upload a file then at that time from browser a Ajax call is send to upload file but not have idea how to achieve this from mobile app.Basically i just want to know at what URL(which Web Service to call) i have to submit result and what are mandatory parameter for this.