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Back in Chapter 13, you got an intro to using timers with the Install OnTimer Script step. This step lets you schedule a script to run repeatedly. In this chapter, you'll get the full Install OnTimer story, and learn how the OnKeystroke trigger lets you respond to every keystroke your user makes.
Note:
These are power-user triggers that require a lot of expertise to use properly. They give you a lot of power, but they're more complex than the script steps you've seen so far. Approach them once you've got some experience under your belt.