CustomCombo - ComfyUI Built-in Node Documentation - ComfyUI

The Custom Combo node lets you define your own list of text options for a dropdown menu instead of choosing from fixed values. It is a frontend-focused node that also has a backend representation, so workflows that contain it stay compatible. When you select an option, the node outputs the selected text and its index position.

Inputs

Parameter	Description	Data Type	Required	Range
`choice`	The text option selected from the custom dropdown. The list of available options is defined by the user in the node’s frontend interface.	COMBO	Yes	User-defined
`index`	An integer value that can be used to specify an index. Default: 0.	INT	No	Any integer (default: 0)

Note: Validation for this node’s inputs is intentionally disabled. This allows you to write any custom text options in the frontend without the backend checking whether your selection matches a predefined list. Widgets other than the combo dropdown are fully defined in the frontend. This node is marked as experimental.

Outputs

Output Name	Description	Data Type
`STRING`	The text string of the option selected from the custom combo box.	STRING
`INDEX`	The index position of the selected option in the dropdown list.	INT

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