> ## Documentation Index
> Fetch the complete documentation index at: https://docs.finwatch.finance/llms.txt
> Use this file to discover all available pages before exploring further.

# Appendix. Quick Reference

### Keywords

`rule`, `description`, `when`, `then`, `and`, `or`, `in`, `regex`, `not_regex`, `true`, `false`, `score`, `reason`

### Operators

`==`, `!=`, `>`, `>=`, `<`, `<=`, `in`, `regex`, `not_regex`

### Verdicts

`block`, `review`, `allow`, `approve`, `deny`, `alert`

### Aggregate Functions

`count()`, `sum()`, `avg()`, `max()`, `min()`

### Time Functions

`hour_of_day()`, `day_of_week()`, `day_of_month()`, `day_of_year()`, `month_of_year()`, `week_of_year()`, `year()`

### Special Functions

`previous_transaction(within: "<duration>", match: { ... })`

### Time Window Formats

`"PT30S"`, `"PT15M"`, `"PT1H"`, `"PT24H"`, `"P1D"`, `"P7D"`, `"P30D"`

### Variable Syntax

`$variable_name`, `$current.field_name`