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SetKeyTransform

courier::transforms::set_key

Struct SetKeyTransform 

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pub struct SetKeyTransform { /* private fields */ }
Expand description

Populates meta.key from a top-level field of the payload. String values are used as-is; other JSON types are stringified via to_string. Missing fields leave meta.key unchanged.

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impl SetKeyTransform

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pub fn new(id: impl Into<String>, from_field: impl Into<String>) -> Self

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impl MapOne for SetKeyTransform

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fn id(&self) -> &str

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fn map<'life0, 'async_trait>( &'life0 self, env: Envelope, ) -> Pin<Box<dyn Future<Output = Result<Option<Envelope>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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