Hi there, this is @sugyan (Twitter, GitHub) from LINE Kyoto office. This was first time for me to experience Kyoto's Summer, and boy, was it really hot or what!? (The original post in Japanese was published in August 2018.)
In June 2018, a new message type, Flex Message, was introduced in the LINE Message API, allowing more complex message layouts to customize messages. To use it, see Using Flex Messages and Messaging API reference for details. The offi
