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Modifiers can become part of a what-if by referencing the modifierType in the whatifTemplates.
Visibility of modifiers in the IFD
When a modifier is of a type without a What-if modifier type configured then the modifier is visible when the modifier is used at the selected topology node or what-if node. But when the modifier is of a type with a What-If modifier type configured then different rules apply.
| What-If modifier type | Topology Node | What-If Node |
|---|---|---|
| always apply in workflow (default) | visible when applicable for the selected node | visible when applicable for the selected node |
| never apply in what-if workflows | visible when applicable for the selected node | never visible |
| apply if referenced in what-if workflow | never visible | visible when applicable for the selected node |
| apply according to creation method | visible when applicable for the selected node | never visible |
Location attribute modifiers
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