How to change task in Business Process Flow

Summary:

 How to change to use SerialBusinessValidationApproval from SerialGivenUserNameApproval in Business Process Flow

Content (required):

I copied one business process 'ExtnBusinessProcessComposite' to 'CustomExtn_XXProcessComposite' in Application Composer and use it in Object Workflow > Business Process Flow for a custom object.

Now the approval task using the 'SerialGivenUserNameApproval' task and can work well.

But I can see many different tasks in the BPM Worklist > Task Confurations > Task to be configured list.

We need to modify the Business rule, so want to know how to change to use SerialBusinessValidationApproval from SerialGivenUserNameApproval.

Version (include the version you are using, if applicable):

Oracle Fusion Cloud Applications