const result = await ExpressSDK.erc1155.order.sellNFTByBid(
  web3, // Web3 instance configured with metamask provider
  chainId, // Network id of blockchain
  tokenId, // Token Id of NFT
  initialPrice, // Initial Bidding Price of NFT
  ownerAddress, // Address of current owner
  amount // Amount of Token

It emits the same event emitted by sellNFT function i.e. TokenMetaReturn.

Items on auction sale can be bid by others using saleId.