Which scenario is an ideal use case for Declare Expressions?

Declaring expressions is particularly effective in scenarios where property values need to react immediately to user input. In this circumstance, a Declare Expression can be set up to automatically update a property whenever the input associated with it changes. This real-time reflection of data ensures that users see updated information without additional steps, enhancing the overall user experience and providing immediate feedback.

In the context of the other scenarios, fetching external data asynchronously typically involves different mechanisms such as data pages or service calls. Complex calculations not linked to user input might be better suited for activities or functions rather than declare expressions since they do not rely on immediate input and often require more sophisticated processing. Establishing case priorities often involves applying business rules or conditions that might not necessitate an instant property update but rather a more deliberate decision-making process through workflows or case management logic.