How to use Dropdown Menu Control node in Oraphim

Type ID: fusion.expr.dropdown
Category: Utility

What this node does

Publishes a reusable dropdown menu control value for other graph operations.

The current Oraphim runtime registers 4 sockets and 8 properties for this node. Its main registered inputs are Input; its main outputs are Output, Menu Index, Selected Label. The tables below are generated from the runtime registry rather than a handwritten approximation.

Inputs

Socket	Key	Type
Input	in_color	Image

Outputs

Socket	Key	Type
Output	out_color	Image
Menu Index	out_value	Int
Selected Label	out_label	String

Controls

Control	Key	Type	Group	Registry default
Control Type	effectType	String	Control	fx_dropdown_menu_control
Layer ID	layerId	String	Routing	0.0
Master Node ID	masterNodeId	String	Routing	0.0
Publish to Template	publishToTemplate	Bool	Publishing	1.0
Comment	controlComment	String	Publishing	0.0
Menu Items	menuItems	String	Menu	Option 1|Option 2|Option 3
Selected Item	menuIndex	Int	Menu	1.0
Cycle Out-of-range Values	cycleMenu	Bool	Menu	0.0

How to use it

1. Add Dropdown Menu Control from node search. Use fusion.expr.dropdown when you need the exact registry entry.
2. Connect a compatible Image source to Input. Add the other inputs only when the operation needs them.
3. Start with the registry defaults and adjust Control Type, Layer ID, Master Node ID first so you can see the node's effect in isolation.
4. Route Output (Image) into a compatible downstream node, viewer, or output path.
5. Preview a representative frame, change one input/control at a time, and save/reopen reusable graphs to verify persistence.

Practical example

Create a small test graph with Dropdown Menu Control. Feed a compatible source into Input. Change Control Type away from its registry default and compare the result. Connect Output to a compatible downstream stage so the result is visible. Keeping this test graph small makes socket-type, context, and parameter mistakes easier to diagnose before the node is used in a production graph.

Troubleshooting

• If a connection is rejected, compare the exact socket data types in the tables above; Oraphim graph connections are typed.
• If the result looks unchanged, confirm this node is on the active path to the viewer/output and that the expected graph/resource is selected.
• If a control is unavailable, check required inputs and whether the property belongs to an internal or mode-dependent group.
• If a saved graph behaves differently later, reopen it and verify node identity, connections, and edited property values before rendering.

Related nodes

• Layer Control — fusion.expr.layer
• 3D Point Control — fusion.expr.point3d
• Angle Control — fusion.expr.angle
• Checkbox Control — fusion.expr.checkbox
• Color Control — fusion.expr.color

Return to the complete Oraphim node reference.