https://developers.line.biz/en/docs/messaging-api/create-flex-message-including-video/
Create a Flex Message including a video | LINE Developers
Using the video component of Flex Message, you can display a video in the hero block. For more information on sending a Flex Message, see Send Flex Messages....
flex messagecreateincludingvideoline
https://developers.line.biz/en/docs/messaging-api/flex-message-layout/
Flex Message layout | LINE Developers
You can build complex Flex Messages layouts based on the specification for CSS Flexible Box (CSS flexbox). The flex container and flex items in CSS flexbox...
flex messagelayoutlinedevelopers
https://developers.line.biz/en/docs/messaging-api/flex-message-elements/
Flex Message elements | LINE Developers
Flex Messages have a hierarchical structure for building blocks, in three levels. The top level is container, followed by blocks (header, hero, body, footer)...
flex messageelementslinedevelopers
https://community.adobe.com/questions-652/esko-flex-rip-warning-message-799786
ESKO Flex RIP Warning Message | Community
Hi everyone, I have received such Warning Message when I exported my file as ESKO PDF, first time I see this message. Would it cau...
eskoflexripwarningmessage