| Pass a body field unique per run | {{env.X}} + --var X=value |
| Pass a body field unique within the run | {{$.uuid}} |
| Reference an ID from a previous response | {{<resource>.<extracted_name>}} |
| Reference an actor’s auth token | {{<actor>.<token_var>}} (in inject.headers) |
| Force a step to re-run | force: true on the op |
| Make an op public | Omit the actor: field entirely |
| Send form-encoded body | Use body_form: instead of body: |
| Run against a different env | --env staging |
| Preview the chain without sending | --dry-run |
| Override an env var per run | --var key=value |
