Field help (DIEENV) 

Select this check box if this dimension type is an Envelope, which means it is dedicated to the Operating Budgets module. Implementing this module implies that the budget codes being used are set up.

This function is common to the operating budgets and the analytical budgets. It is used to assign the created budget type to the operating budgets and to assign the analytical dimension types to the created budget type. Entities and Budget envelopes combine to the budget chart of accounts.

You must select this check box to create an Envelope dimension type.

The general structure setup must include an account core model whose main ledger is Analyticaland which specifies the ledger being used.

In the ledger being used, the Operating Budgets accounting type must be activated, and an Envelope dimension view code must be defined.