> For the complete documentation index, see [llms.txt](https://developers.polymath.network/polymesh-sdk-api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.polymath.network/polymesh-sdk-api-reference/docs-v10/interfaces/fees.md).

# Fees

## Hierarchy

* **Fees**

## Index

### Properties

* [gas](#gas)
* [protocol](#protocol)

## Properties

### gas

• **gas**: *BigNumber*

*Defined in* [*src/types/index.ts:621*](https://github.com/PolymathNetwork/polymesh-sdk/blob/959efb76/src/types/index.ts#L621)

regular network fee

### protocol

• **protocol**: *BigNumber*

*Defined in* [*src/types/index.ts:617*](https://github.com/PolymathNetwork/polymesh-sdk/blob/959efb76/src/types/index.ts#L617)

bonus fee charged by certain transactions