The List Execute message type is used by institutions to instruct the broker to begin execution of a previously submitted list. This message may or may not be used, as it may be mirroring a phone conversation.
|Component Block - <StandardHeader>||Y||MsgType = L|
|66||ListID||Y||Must be unique, by customer, for the day|
|391||ClientBidID||N||Used with BidType=Disclosed to provide the sell side the ability to determine the direction of the trade to execute.|
|60||TransactTime||Y||Time this order request was initiated/released by the trader or trading system.|
|354||EncodedTextLen||N||Must be set if EncodedText field is specified and must immediately precede it.|
|355||EncodedText||N||Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field.|
|Component Block - <StandardTrailer>||Y|