ComfySwitchNode - ComfyUI Built-in Node Documentation

The Switch node selects between two possible inputs based on a boolean condition.

The Switch node selects between two possible inputs based on a boolean condition. When switch is enabled (true), it passes the on_true input through to the output; when disabled (false), it passes on_false. Only the selected branch is evaluated, so the other input does not need to be connected.

Inputs

Parameter	Description	Data Type	Required	Range
switch	A boolean condition that determines which input to pass through. When enabled (true), the on_true input is selected. When disabled (false), the on_false input is selected.	BOOLEAN	Yes
on_false	The data to be passed to the output when the switch is disabled (false). This input is only required when the switch is false.	MATCH_TYPE	No
on_true	The data to be passed to the output when the switch is enabled (true). This input is only required when the switch is true.	MATCH_TYPE	No

Note on Input Requirements: The on_false and on_true inputs are conditionally required. The node requests the on_true input only when the switch is true, and the on_false input only when the switch is false. Both inputs must be of the same data type and must match the output data type. If the selected input is not connected, the node outputs no value.

Outputs

Output Name	Description	Data Type
output	The selected data. This is the value from the on_true input when the switch is true, or the value from the on_false input when the switch is false.	MATCH_TYPE

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