The Advanced Workflow Role configuration is used to define a set of business rules which determine which role should is required, optional, or hidden on the workflow start dialog box. However, the Consumer role in the screenshot below is not hidden by this configuration.
The task of the workflow role is not configured as optional.
To configure this setting:
- Navigate to: Admin --> Configuration --> --> [Target Lifecycle] --> Workflows --> [Target Workflow] --> [Target User Task Step].
- Select Allow task to be optional.
Vault Help Documentation: Advanced Workflow Role Configuration