vtex-io-session-apps

To prevent namespace collisions in VTEX IO session transforms, you must enforce correct namespace ownership by declaring input and output dependencies. This approach ensures your app does not overwrite fields already owned by upstream apps.

The best way to sequence VTEX IO session transforms is by defining transform DAG relationships via vtex.session/configuration.json. This DAG-based transform sequencing ensures proper scheduling and prevents mis-timed re-runs across upstream namespaces.

Caching for VTEX IO session apps uses LRU in memory and VBase SWR strategies to reduce external calls. These caching strategies keep session transforms fast and deterministic by serving cached state instead of recomputing upstream data.

You configure input and output dependencies for a VTEX IO session by declaring them in vtex.session/configuration.json. This configuration derives fields from upstream namespaces and propagates them to the correct private and public surfaces.

VTEX IO session transforms experience mis-timed re-runs due to incorrectly declaring input and output dependencies. Defining proper transform DAG relationships via vtex.session/configuration.json ensures correct scheduling and eliminates data duplication.