MatrixEditor

Possible values for that node: ```python defaults={ 0: "WAITING", 1: "READY", 2: "FAIL", 3: "FATAL_ERR", 4: "READY_ROOT", } ```

@dizzy314, the prototype for that node is defined by: ```python prototype = [ Argument(name="key", length=1, type=ArgType.ARG_TYPE_U32), Argument(name="on", length=1, type=ArgType.ARG_TYPE_E8), Argument(name="time", length=7, type=ArgType.ARG_TYPE_C8), Argument(name="duration", length=1, type=ArgType.ARG_TYPE_U8), Argument(name="source", length=1, type=ArgType.ARG_TYPE_E8), Argument(name="preset", length=1,...

@einarav as I stated before, a LIST node can be used to **select** a stored preset. Therefore, using `key=...` should set the desired alarm configuration.

First of all, it looks like you are not using v0.11 which fixes some issues. Nevertheless, the issue is related to an attribute which is usually present in generated Java...

[#24](https://github.com/kaitai-io/kaitai_struct_gui/pull/24)