If/Else Block
Choose between two different values based on a condition
Overview
The If/Else Block is a control flow block that allows you to choose between two different values based on a condition. It evaluates a condition and outputs either a “true” value or a “false” value depending on the result.
Inputs
If this is truthy, the true value will be passed through the output port. Otherwise, the false value will be passed through the output port. An unconnected port is considered false. A Not Ran value is considered false. Required.
The value to pass through the output port if the condition is truthy.
The value to pass through the output port if the condition is not truthy.
Outputs
The true or false value, depending on the if condition.
Editor Settings
If enabled, unconnected input ports are control-flow-excluded. If disabled (legacy behavior), unconnected ports will pass through undefined values.
Example: Choose between two values based on a condition
- Create a Bool Block and set its value to
true. - Create two Text Blocks with values
HelloandWorld. - Create an If/Else Block. Connect the Bool Block to
If,HellotoTrue, andWorldtoFalse. - Run the flow. The output should be
Hello. - Change the Bool Block to
falseand run again. The output should now beWorld.
Error Handling
The If/Else block will not throw an error under normal circumstances. If both the true and false values are unconnected or control-flow-excluded, the output will be control-flow-excluded.