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Writes the incoming value into the flow’s assigns under a named key, then passes it through unchanged. Only meaningful inside a Flow Transform — outside a flow it is a pass-through. Pair with Assign Read to read the value back further down the flow.

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Configuration

  • Assign key — the name to store the value under in token.assigns.
  • Unwrap dated property (default on) — data nodes produce dated properties. On, a single one is stored as its bare value, which is what most flow nodes and steps expect. Off, it is stored exactly as it arrived, wrapper and all, so its valid-from date survives for a Flow Dated Property Put or a rule’s @. A history with several entries is kept whole either way. Flow Transform has the same switch for its output assign, so the two ways of landing a value in an assign agree.

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Tips

  • A raw struct, map or primitive is stored as it arrived regardless of the switch; only the dated-property wrapper is affected.
  • The value passing through on the output port is never unwrapped, so the data nodes after it keep working.
  • Use this to materialize a transformation result so a later Flow Action can consume it.

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Ports