Overview
One or more editable workflow parameters can be added to a workflow.
Workflow parameters are value references that allow you to add dynamic information and parameter values to your workflow – they are placeholders for information that's located somewhere else.
One or more editable workflow parameters can be added to a workflow.
Each time the workflow parameter reference is encountered by the workflow, for example in a JSON trigger action, the value at that moment in time will be retrieved. This means your workflow can dynamically adapt to changing situations.
...
any macro parameter (including macro bodies, where applicable) which support value references
JSON trigger actions that support workflow parameters
Types of workflow parameter
...