# Access Control * Setting of swap and margin trading fees up to a maximum of 5% * Setting of token weights for the MLP pool, token weights affect the dynamic fees of swaps, these fees are such that a swap which increases the balance towards the specified token weight will be lower, while a swap that moves the token weight away from the desired amounts will have higher fees, the details of the calculation can be found from `Vault.vaultUtils.getSwapFeeBasisPoints` * Pausing of swaps or leverage trading for emergency use * Setting of the maximum allowed leverage * Setting of maximum total capacity for long and short positions Parameters that can be adjusted by a [**Timelock**](#timelock) controlled by the team: * Listing of new tokens * Updating `Vault.priceFeed` * Updating `Vault.vaultUtils`, the VaultUtils contract validates the opening and closing of positions and also specifies how fees are calculated * Updating of `gov` values --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.minerva.money/general-resources/contracts/access-control.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.