What prefix is used at the beginning of all OneStream retrieve functions?

The correct choice is the prefix "XF," which is used at the beginning of all OneStream retrieve functions. This prefix is essential because it signifies that the function pertains to OneStream's specific syntax for retrieving data from the application. Using "XF" as a prefix helps differentiate OneStream functions from other types of functions or codes, fostering better organization and clarity in your data retrieval process.

In the context of data retrieval in OneStream, the functions that begin with "XF" allow users to interact seamlessly with the underlying data, ensuring that queries are executed properly and that the results returned are aligned with the OneStream architecture. Understanding this specific prefix is crucial for anyone looking to work effectively within the OneStream environment, as it underpins many of the operational commands utilized in reports and dashboards.