1. A method for writing data into a message structure, comprising: receiving an inbound message having one or more delimiters; determining whether a modifier list is to be used when parsing the inbound message into a message structure; if a modifier list is to be used, parsing the message into the inbound message structure, wherein the inbound message structure is defined by one or more elements in the modifier list; and if a modifier list is not to be used, parsing the message into the inbound message structure, wherein the inbound message structure is defined with default definitions for the one or more delimiters.