# Add Custom Token-Level Features

**URL:** <https://discuss.huggingface.co/t/add-custom-token-level-features/16623>\
**Category:** 🤗Transformers\
**Created:** [April 8, 2022, 5:55pm UTC](https://discuss.huggingface.co/t/add-custom-token-level-features/16623 "2022-04-08T17:55:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![josephgatto](https://avatars.discourse-cdn.com/v4/letter/j/b38774/32.png) [@josephgatto](https://discuss.huggingface.co/u/josephgatto)\
**Post date:** [April 8, 2022, 5:55pm UTC](https://discuss.huggingface.co/t/add-custom-token-level-features/16623/1 "2022-04-08T17:55:17Z")

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Suppose I have an input with 10 tokens for which I know tokens [3,4,5] are very important and I want to let BERT know about this. How can I add more weight to / inject a token-level feature into the BERT pipeline?