How to replace standard ESS Workflow with Custom Workflow

Hi,

I need to replace the existing ESS Standard workflow <b>WS20000081 - Create Leave Request</b>. This workflow is triggered when Leave request is sent in ESS.

For that I went to table <b>V_T544S_WEB</b> and replace the standard one with custom workflow.

Even after this, it triggers the same wf WS20000081. Is there any other place, do I have to make entries ?

Thanks.

jey