This is quite simple. This can use either the 04XX or 10XX blocks, but for this example it will use a 10XX block since they are always activated.
C2 displays text on the bottom, C3 text on the top, and C4 plays a sound effect. You can preview them in the editor, if the help files are installed. Now exit the block by 05FD0001 so the sound doesn’t keep restarting forever and the text goes away.
IMPORTANT: Text can only be used if it is loaded. Some are global, such as LTitleE, but each specific level is only loaded when it is played. So in Runway, you can mainly only use Runway’s text digits. Sounds can always be used, any of them.
A simple enough block is: