© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022
S. A. KingabyData-Driven Alexa Skillshttps://doi.org/10.1007/978-1-4842-7449-1_4

4. Creating the VUI for a Custom Data-Driven Skill

Simon A. Kingaby1  
(1)
La Vergne, TN, USA
 
Now that you’ve configured a routine and created some skills from blueprints and now that you’ve got the accounts setup, we’re ready to build our first custom data-driven Alexa skill. In this chapter, we’ll build a Body Mass Index (BMI) calculator. The premise is simple: BMI is a function of height and weight. The math is
$$ BMI=\frac{weight\ in\ kilograms}{{\left( height\ in\ meters\right)}^2} $$

What makes this calculation complicated is that if I ask you your height, ...

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