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# Function extract_variables_from_blocks

> Extract variables from a set of prompt blocks.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-ffi`.

<pre />

Extract variables from a set of prompt blocks.

## Parameters

* `blocks`: Prompt blocks to analyze.
* `patterns`: Variable patterns to evaluate.

## Returns

One [`ExtractionResult`](/reference/api/rust-library-reference/nemo-relay-adaptive/acg/variable_extractor/struct-extractionresult) per block that contained at least one variable.