# Embedder **`class Embedder(config)`** Bases: [`BatchedStep`](../technical/libnlp/steps/standard.md#squirro.lib.nlp.steps.batched_step.BatchedStep) The [`Embedder`](#squirro.lib.nlp.steps.embedders.Embedder) step converts a word or phrase into a vector of numbers. This vector can then be used downstream in various models. Parameters - `step` ([`str`](https://docs.python.org/3.11/library/stdtypes.html#str)) – embedder - `type` ([`str`](https://docs.python.org/3.11/library/stdtypes.html#str)) – Type of [`Embedder`](#squirro.lib.nlp.steps.embedders.Embedder) - `input_field` ([`str`](https://docs.python.org/3.11/library/stdtypes.html#str)) – Field to embed - `output_field` ([`str`](https://docs.python.org/3.11/library/stdtypes.html#str)) – Field to write embedding