Fields are top-level and step-level variables in a workflow template. A field can be used to store and retrieve information during workflow execution.
A field can be assigned a schema to validate its value.
A field identifier, which is its key within the
fields object, is considered unique in the context of a workflow. By definition a second occurrence of the same key will override the first occurrence. In markdown, fields can be referenced via their unique identifier:
Where is this used?
Other schemas that have a reference (
$ref) to this schema.