Changing Task Types
While developing a process in Designer, you can change the current task type step to different task type step.
Existing process documentation is unaffected when you change one task type into another. Designer retains the following properties from the previous task type step (when present):

Flow service

Web service

Rule service
webMethods business task ID

Referenced process ID

Task name

Referenced process name

Retry count

Retry interval
Integration Server ID

Allow parallel execution value
These values are preserved so that you can easily switch back to the previous step type.
To change a task to a different type
You can change a task into any other task type in several ways:

Drag an
Integration Server (IS) service, a Web service, or an
Integration Server document onto an existing task activity step to change it into the corresponding step type.

To change any task activity to a user task activity, right-click the task activity and click
Create Implementation > New Task.

To change any task activity to a service task activity that uses an
Integration Server (IS) service, right-click the task activity and click
Create Implementation > New Flow Service.

To change any task activity to a service task activity that uses a Web service, right-click the task activity and click
Create Implementation > New Web Service Connector.