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Reads a per-evaluation metadata field — the action being performed, the model’s timestamps, or the mapping’s lifecycle fields — and emits its value as a dated property. Useful inside conditions to branch on create vs. update, or to gate on whether a mapping has ever updated.

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Configuration

  • Key — pick from the available meta keys. :action is :create or :update during replication. :domain is the domain of the pipeline doing the work, which is not always the domain of the model being evaluated: a competence-assignment replication evaluates the employee’s conditions but reports :employee_competence, so a condition can decide differently depending on which pipeline asks. :inserted_at / :updated_at are the model’s own timestamps. :mapping_inserted_at / :mapping_updated_at / :mapping_status apply to the mapping for the system in scope.

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Empty meta

If the chosen key isn’t populated for this evaluation (e.g. design-time eval without an action picked), the node emits an empty timeline. Pair with Switch’s :empty port to provide a fallback.

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Ports