# Change decoding strategy for trainer

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**Category:** Beginners\
**Created:** [July 27, 2023, 12:46am UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fchange-decoding-strategy-for-trainer%2F48304 "2023-07-27T00:46:50Z")\
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**Author:** ![kaimeng](https://avatars.discourse-cdn.com/v4/letter/k/b38774/32.png) [@kaimeng](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Fu%2Fkaimeng)%5C
**Post date:** [July 27, 2023, 12:46am UTC](/static-proxy?url=https%3A%2F%2Fdiscuss.huggingface.co%2Ft%2Fchange-decoding-strategy-for-trainer%2F48304%2F1 "2023-07-27T00:46:50Z")

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When I use Seq2SeqTrainer to train and evaluate, how do I change the decoding strategy. For example, during evaluation after each epoch, I want to use top\_p decoding, where do I pass arguments such as do\_sample=, top\_p=