Mendix Week 4 - Part 02 Using an enumeration for data validity

How to change the type of an attribute to use an enumeration - restricting the type of data that can be entered into a form field
Week 4 has seven videos
01 Adding navigation elements to an app in the left navigation panel kzbin.info/www/bejne/iGmlZIaan91loKM
02 (this video) How to change the type of an attribute to use an enumeration kzbin.info/www/bejne/h6O4aIh-h5xsd7s
03 Creating the equivalent of a foreign key in Mendix using a relationship kzbin.info/www/bejne/bKS7lHuFaqZrh9E
04 Using a different types of widget in an entity - the star widget kzbin.info/www/bejne/pai7l2SHgJdjZ8U
05 Introduction to using Microflows in Mendix - to show a page with a particular object (row/record) kzbin.info/www/bejne/gqulkoqcfrCUnpI
06 Creating a microflow to change a value in an object kzbin.info/www/bejne/r5yyqJ1ujN50qbc
07 How conditions are used in a microflow to alter the outcome kzbin.info/www/bejne/aWbNg5uCi5Wbl6M
Mendix Week 5 is all about creating and using a "single" value in your app - equivalent to a variable in a more traditional programming language kzbin.info/www/bejne/aWaVZKOwo9qFpdEsi=_jLC_YAvlUmapMYr