Sales order EDI output after Workflow approval

Dears, 

I person configured Sales papers Flexible workflow for Sales bid and Quotation .

In income bid output one person besides configured EDI output ( Outbound IDOC) to 3rd enactment system.

How one tin power that EDI output should lone Trigger, After Final Workflow Approval. ???

Means EDI output should not trigger unless Sales bid Completely approved.