Required. Used to associate all subsequent messages with this unit.
OptionalcodingThe coding scheme to be edited (if any). Passed as a serialised string (format: byte).
OptionalcodingIdentifies the format/version of the coding scheme. Helps the schemer avoid UI issues when loading older schemes.
OptionalvariablesVariables from the unit definition. These represent control states during assessment and are the basis for coding.
OptionalschemerSchemer-specific configuration
Data received from host via start command