The HFMwAccounts component contains the GetTopMemberOfCustomsForAccount method and the dimension property. This component enables you to work with the Account dimension.
Obtaining an HFMwAccounts Object Reference
HFMwAccounts object references are returned by the accounts property of the HFMwMetadata component. After obtaining an HFMwAccounts object reference, you can then use the dimension property to initialize the HFMwDimension component to the Account dimension.