---
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title: Condition node
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# Condition

This node evaluates a condition and sends one of two <span className="ndl-signal">signals</span> depending on if the condition is <span className="ndl-data">true</span> or <span className="ndl-data">false</span>.

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![](/nodes/utilities/logic/condition/condition_node.png)

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The input <span className="ndl-data">Condition</span> will be treated as a <span className="ndl-data">boolean</span>, and the evaluation happens when the input changes, unless an explict <span className="ndl-signal">signal</span> is connected to the <span className="ndl-signal">Evaluate</span> input.

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![](/nodes/utilities/logic/condition/condition.gif)

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## Inputs

| Data                                        | Description                                                                                                                                                                                                                                             |
| ------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <span className="ndl-data">Condition</span> | {/*##input:condition##*/}A boolean that decides which output signal (**On true** or **On false**) that should be triggered when the **Evaluate** signal is triggered or when the condition changes, if the **Evaluate** signal is not connected.{/*##input##*/} |

| Signal                                       | Description                                                                                                                                                                                                      |
| -------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <span className="ndl-signal">Evaluate</span> | {/*##input:evaluate##*/}Evaluates the **Condition** input and triggers the respective output signal. If no signal is connected to Evaluate, the node will evaluate the input everytime the input changes.{/*##input##*/} |

## Outputs

| Data                                       | Description                                                                                                                                                                                       |
| ------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| <span className="ndl-data">Is True</span>  | {/*##output:result##*/}A <span className="ndl-data">boolean</span> that is <span className="ndl-data">true</span> when the latest evaluated value on the **Condition** input is true. {/*##output##*/}    |
| <span className="ndl-data">Is False</span> | {/*##output:isfalse##*/}A <span className="ndl-data">boolean</span> that is <span className="ndl-data">false</span> when the latest evaluated value on the **Condition** input is false. {/*##output##*/} |

| Signal                                       | Description                                                                                                                            |
| -------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| <span className="ndl-signal">On True</span>  | {/*##output:ontrue##*/}Triggered when **Evaluate** is triggered and **Condition** is <span className="ndl-data">true.</span>{/*##output##*/}   |
| <span className="ndl-signal">On False</span> | {/*##output:onfalse##*/}Triggered when **Evaluate** is triggered and **Condition** is <span className="ndl-data">false.</span>{/*##output##*/} |