Tutorial: change to vault-values.yaml

Hello,
I’m working through the Vault secrets tutorial and wonder, where do I read more about the parameters for this file:

In the tutorial, helm is used to create the vault pod: helm install vault hashicorp/vault -n vault --create-namespace --values vault/vault-values.yaml
Ideally, id like to leverage the existing vault service ( running in k3s pods already ) by creating secrets and updating the app only.

REF:

helm chart → values.yaml