```\n/\*\*\n \* @dev Sets '\_priceFeed' address for a '\_asset'.\n \* Can only be called by the contract owner.\n \* Emits a {AssetPriceFeedChanged} event.\n \*/\nfunction setPriceFeed(address \_asset, address \_priceFeed) public onlyOwner {\n require(\_priceFeed != address(0), Errors.VL\_ZERO\_ADDR);\n usdPriceFeeds[\_asset] = \_priceFeed;\n emit AssetPriceFeedChanged(\_asset, \_priceFeed);\n}\n```\n