How to create variable workflow and task names?

System

Hi DevNetters -
When writing a .wft workflow, is there a way I can assign a variable as part of the workflow name or task names?

I pull the branch name into the ${UpperBranchName} variable at the top of the workflow and then would like to have that variable become part of the name of the workflow and the workflow tasks.

Here's what DOESN'T work:
externaltask name="${UpperBranchName}DevelopmentEmailAuthorAssign"

Ideas on what would? I know I could create an .ipl that dynamically creates a workflow each time, but I'd like to explore simpler options first.

TS 6.7.1 on Solaris.

TIA -
Wally Box
Nike, Inc.