Since the Linie 1 B1 Testheft is a collection of various tests (learning progress tests for each chapter and full model tests like the DTZ or telc B1), there isn't just one single "essay" for the entire book. However, the B1 writing exam typically requires a (approx. 80–120 words) based on three specific prompts.

It contains specific tests for each chapter of the Linie 1 B1 textbook to track individual learning progress.