For example, if you have a Sound action on a link... when you click another button, it can play the sound twice, with a delay.
Let's see how you do this.
Firstly, create the Button and the Link.
Add a Sound action to the link and select a Sound file.
Test it out... when you tap the link, it should play the sound.
Now find the Item ID for the link.
Edit the link item, and you will find the ID at the bottom of the list of properties. Copy the ID - we will need it later.
Write some code to simulate a click on the Link item. The code is:
(Replace id with the ID of the link item you copied earlier).
Now when you tap the Button, it will also play the sound.
This is interesting but not especially useful. Here is some code that makes it more interesting:
The interval runs every 2 seconds (2000 ms) and stops after 5 seconds. So it will run twice.
Save and test. You should hear the sound play twice, as per the interval.