# Understand the transaction examples

Source: https://developer.avalara.com/products/communications/integration-guides/communications-integration/fmr8975591493000/

Guide: Communications

# Understand the transaction examples

The examples in this section are typical examples that you would encounter on a daily basis. They are broken out into Core Requirements, Voice, and International.

-   All integrations need to review and run the Core Requirements examples. Core examples include:
    -   "Day in the life" (DIL)
    -   Fact Patterns 0, 6, and 7
    -   Scaling
    -   Sourcing
    -   Aggregation
    -   Exemptions
    -   Bundling
    -   Miscellaneous
-   If you're also attempting to get certified in Voice, then review and run the VoIP examples.
-   If you're also attempting to get certified in International, then review and run the International examples.