Which command creates or updates substitution variables at the application or cube level?

The command that creates or updates substitution variables at the application or cube level is "Setsubstvars." This command is specifically designed for managing substitution variables within the Profitability and Cost Management Cloud environment.

Substitution variables are used to provide flexibility in calculations and reporting by allowing users to substitute values in their calculations dynamically. By using the Setsubstvars command, users can define new substitution variables or update existing ones, which is essential for tailoring the application to meet specific business scenarios and improving the accuracy of reports generated based on the specified variables.

This command streamlines the process of managing substitution variables, ensuring that the necessary adjustments can be made efficiently as business needs evolve. The ability to create or update these variables at the application or cube level is crucial for maintaining accurate and relevant financial data analysis.