What are the functions of the Outline panel in UiPath Studio?

The Outline panel in UiPath Studio serves primarily to provide a visual representation of the workflow's structure. By displaying the hierarchy of activities, it allows developers to understand the arrangement and flow of their process at a glance. This functionality is critical as it helps in navigating complex workflows, making it easier to identify where specific activities are located, and facilitating modifications.

With this tool, developers can quickly see top-level sequences, transitions, and nested structures, which aids in debugging and optimizing workflows. The visual structure provided by the Outline panel can also enhance communication among team members by presenting a clear layout of how the overall automation is designed.

While there are other important functionalities in UiPath Studio, such as outputting execution results, supporting collaborative features, or enhancing activity searchability, the primary role of the Outline panel focuses on illustrating the workflow's structure, making it the most suitable answer.