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How-To Guide: Introduction to Collections

This example Assessment Framework project provides a runtime-help tool for LogicNets Designer users looking to understand how to use simple arrays or lists in applications. It can also be used as a Designer reference for how to manipulate array data as all the logicnets creating the runtime screens are accessible via the LogicNets Designer.

A collection (or array) is an aggregate data structure that is designed to store a group of objects of the same or different types. In its simplest form, a collection is a list (e.g. of states, SKUs, users) stored under an umbrella variable name.

Understanding collections is important if you are creating applications in LogicNets for the following reasons:

  • When a user answers a checklist question it generates a collection variable that has a specific syntax for retrieving a value, using it in a rule, and presenting it on screen.
  • You can manage many data sets, both imported and created in the application, more efficiently as collections.
  • Collections are a fundamental building block of a LogicNets data model and will always feature in a client application.


In this How-To Guide we introduce the you to collections and cover the following:

  1. How collections differ from regular data objects.
  2. How to use simple collections (inspect, use in rules, create).
  3. How to compare and contrast two collections.
  4. Brief introduction to multi-dimensional collections.


After review this introduction to collections, we recommend that you look at the How-To Guide: Query Collections.

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