## Parameters Needed for New Collaterals ### General - Collateral Name - Contract Address of collateral token ### [Collateral Auction House](https://docs.letsgethai.com/detailed/auctions/cah.html) - **`minimumBid`** - Sets the minimum system coin bid required to participate in collateral auctions. - **`minDiscount`** - Defines the initial discount rate at which auctions commence. - **`maxDiscount`** - Sets the upper limit for the discount rate that auctions can achieve. - **`perSecondDiscountUpdateRate`** - Determines the rate at which the discount increases for each second the auction is live. ### Oracle / Price Feed - UNI v3 oracle or chainlink aggregator compatible. (e.g. redstone classic is compatible with chainlink aggregator interface) ### [SAFEEngine](https://docs.letsgethai.com/detailed/modules/safe_engine.html) - **`debtCeiling`** - The max amount of debt that can be generated globally by the collateral type. - **`debtFloor`** - The min amount of debt that can be generated by a SAFE of that collateral type. ### [Oracle Relayer](https://docs.letsgethai.com/detailed/modules/oracle_relayer.html) - **`safetyCRatio`** - Ratio applied to the collateral price to define the safety price. - **`liquidationCRatio`** - Ratio applied to the collateral price to define the liquidation price. ### [TaxCollector](https://docs.letsgethai.com/detailed/modules/tax_collector.html) - **`stabilityFee`** - Stability fee applied only to the collateral type. ### [LiquidationEngine](https://docs.letsgethai.com/detailed/modules/liq_engine.html) - **`liquidationPenalty`** - Penalty applied to the debt of the SAFE that is being liquidated. This penalty represents an excess in the amount of debt that the collateral auction needs to cover. - **`liquidationQuantity`** - Max amount of debt that can be liquidated in each liquidation.