The $ListPattern function executes provided pattern a few times and uses the created list for data generation.
It has two mandatory parameters:

1. Number of unique values, positive integer.
2. Pattern

Examples

1. $ListPattern(30,$Rint()) - creates list of 30 unique random integers and returns random of them.
2. $ListPattern(10,A) - creates list of 10 unique upper letters and returns random item.