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Every rule in GoRules has two faces: the ZEN expression a developer writes, and a natural-language sentence anyone can read. They are the same stored logic - natural language is a display mode, not a translation step, so nothing can drift out of sync.
renders as:
applicant.employment is one of Employed, Self-employed

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Switching modes

The Developer mode switch in the editor header controls the default for everything you open: business mode shows sentences, developer mode shows expressions. You can also flip an individual rule with the Rule display: Code | Natural toggle. The stored rule never changes - only how it’s shown to you.

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How expressions become sentences

Operators map to phrases, and the phrasing adapts to the data type: Note the date-awareness: >= reads “is at least” for numbers but “is on or after” for dates. Aggregations read as phrases too - “the average of”, “the smallest of”, “the number of items in”.

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Dictionary labels

When a field is typed with a dictionary, sentences use the labels, not the stored values: terms in ["NET30", "NET60"] reads “terms is one of Net 30 days, Net 60 days”. Business users see the vocabulary they know; evaluation still compares the underlying values.

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Editing in natural language

Natural language is editable, not just readable:
  • Values in a sentence are tokens you can click and change in place. Date and time tokens open a calendar and time picker, so “is on or after 1 March 2026” is edited by picking a date, not by typing an ISO string.
  • Dictionary-typed tokens offer their labelled options.
  • If you rewrite a sentence in your own words, GoRules AI converts it back into a valid expression - and shows you the result, so the logic stays precise.

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When to use which mode

There’s no wrong answer - the modes exist so each person works in the notation they’re fastest in. Analysts review and edit rules as sentences; developers drop to code for complex expressions; both look at the same rules. A practical default: author precise logic in developer mode, review and demo in business mode.
Natural language is only as readable as your vocabulary. Dictionaries and well-named fields do most of the work - “employment is one of Employed, Self-employed” reads well because the labels exist.