SDK ExamplebeginnerSDK Examples

Dropdown Selector (SDK: Widget Options)

A use_exec=False node with a dropdown widget: options list is defined in add_input(). Demonstrates how to build UI select menus in Python BaseNode subclasses.

class DropdownSelectorNode(BaseNode)SDK Node · Widget

SDK Features Demonstrated

Python BaseNode SDK
from src.nodes.base import BaseNode
class DropdownSelectorNode(BaseNode):
use_exec=False
widget_type="dropdown"
options list
add_input()
Port preview

Tags

#sdk#dropdown#widget_type#options#use_exec

Source

examples/nodes/dropdown_selector.py

Python BaseNode subclass demonstrating SDK patterns

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use_exec=Falseset_output()log_info()
#sdk#use_exec#data-flow
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on_plug_sync()
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Demonstrates on_plug_sync and on_unplug_sync lifecycle hooks. Logs a message each time a wire is connected or disconnected, showing the plug/unplug event system.

on_plug_sync()on_unplug_sync()log_info()
#sdk#on_plug_sync#on_unplug_sync
class ListItemPickerNode(BaseNode):
on_plug_sync()
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List Item Picker (SDK: Dynamic Params)

intermediate

Uses on_plug_sync to inspect the connected list and populate a dropdown with its items via set_parameter(). Shows how wiring a port can drive dynamic UI updates.

on_plug_sync()set_parameter()widget_type="dropdown"
#sdk#on_plug_sync#set_parameter