Execute Javascript Block

Execute Javascript code within Scout workflows

The Execute Javascript block allows users to execute Javascript code within a Scout workflow. This utility block is designed for scenarios where dynamic scripting is required, enabling users to manipulate state data and perform custom operations.

Configuration

Javascript
code

Javascript code to execute. This input allows you to define the script that will be run within the workflow. The default script is:

1function(data){
2  return data.state;
3}

You may use jinja within this block, so, to use variables within the workflow it make look something like this:

1function(){
2  return "{{inputs.user_message}} world";
3}

Given the above example, if I entered Hello as the inputs.user_message, the javascript block would return Hello world.

See Workflow Logic & State > State Management for details on using dynamic variables in this block.

Outputs

The output of the Execute Javascript block is the result of the executed Javascript code, along with execution details. This output can be used in subsequent workflow steps to facilitate further data processing or integration.

Usage Context

Use this block when you need to execute custom Javascript code to process or manipulate data within your workflow.

Best Practices

  • Ensure the Javascript code is valid and handles potential errors gracefully: Proper error handling ensures that the workflow can recover from unexpected conditions without failing.
  • Test the code thoroughly to ensure it behaves as expected with different input states: Comprehensive testing helps identify edge cases and ensures reliable operation.
  • Consider the performance implications of complex scripts, especially with large datasets: Optimize scripts to run efficiently, particularly when processing large amounts of data.
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