Field	Type	Required	Description
showCode	boolean	–	If true, code field will be added. Default value is false.
filterType	string	–	Value type to filter list with. only expressions comparable to that value should be shown.
filterTypes	array of strings	–	An array of value types to show all expressions of all comparable types.
variable	bool	–	If true should show only records with variable property set to true. If false, shows all records with variable property is false, OR without that property. If omitted, shows all present records (default).
names	array of strings	–	Limit a result set with only listed expressions/variables. Default: return all expressions/variables.
showValue	bool	–	Show values of expression/variable objects. Default: true.
Use to limit amount of traffic.