This video reviews how to 'script' dialog in Bitsy using the "say" keyword and braces "{}" to add additional scripting elements to dialog sections for all objects that support them. This example shows how to 'say' (show) as well as assign values to variables using this scripting functionality.
Bitsy: https://ledoux.itch.io/bitsy
Tutorial Series: https://www.youtube.com/playlist?list=PLlXuD3kyVEr7s1qLkKSC2nKXiZFFZsfSz