This is the continuation of “A simple custom organizer with the Tizen Native API - part 1” article. If you haven’t yet, please, get familiar with the first part before reading this one. The first article describes how to connect to the calendar service and create an example task. This one – how to get a to-do task and update its properties.
https://developer.tizen.org/documentation/articles/simple-custom-organizer-tizen-native-api-%E2%80%93-part-2