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Version: 2.9.X

Built-In Computation Functions

Cogynt Authoring has many built-in functions to help develop accurate, sophisticated computations. For more information about adding computation functions to models, see Adding Functions.

This section describes the available functions in detail. The categories and the functions within each category are alphabetical.

Aggregation Functions​

Aggregation functions provide mechanisms for working with sets of values.

avg​

The avg function returns the average of the non-null values of the field expression of a pattern element group.

count​

The count function counts the number of non-null values of a field expression in a pattern element group.

countAll​

The countAll function counts the number of events in a pattern element, regardless of nulls.

list​

The list function produces a string separated by the given delimiter.

max​

The max function returns the maximum value of a field expression in a pattern element group.

min​

The min function returns the minimum value of a field expression in a pattern element group.

nth​

The nth function returns the n-th value in a pattern element group.

stddev​

The stddev function returns the standard deviation value from the field expression of a pattern element group.

sum​

The sum function returns the sum of the field expression of a pattern element group.

Array Functions​

Array functions provide mechanisms for processing and evaluating the contents of arrays.

avgOf​

The avgOf function returns the average of the submitted arguments, ignoring nulls.

combine​

The combine function combines (and optionally dedupes) the submitted array arguments into a single array.

countAllOf​

The countAllOf function returns a count of the elements in an array, including nulls. Arrays are broken down into their constituent elements for counting.

countOf​

The countOf function returns a count of the elements in an array, excluding nulls. Arrays are broken down into their constituent elements for counting.

in​

The in function returns true if it finds the search expression value in the list of submitted arguments. Otherwise, it returns false.

listOf​

The listOf argument returns a string containing a list of arguments separated by a separator.

maxOf​

The maxOf function returns the highest value of the submitted arguments, with a null value considered the lowest.

minOf​

The minOf function returns the lowest value of the submitted arguments, with a null value considered the highest.

nthOf​

The nthOf function returns the n-th element in the argument list. It uses a 0-based index.

productOf​

The productOf function returns the product of the submitted arguments, ignoring nulls.

sort​

The sort function sorts an array, rearranging its elements in either ascending or descending order as specified.

sumOf​

The sumOf function returns the sum of the elements in an array, ignoring nulls.

Conditional Functions​

Conditional functions help create decision trees and logical flows based on the evaluation of expressions.

when​

The when function evaluates a defined expression based on the truth or falsity of the submitted argument. When the argument is nonzero or true, it evaluates and returns the true expression. Otherwise, it evaluates and returns the false expression.

Datatype Conversions​

Datatype conversion functions provide mechanisms to convert data of a given type into a different type.

toArray​

The toArray function converts a set expression to an array, with the option of flattening the array elements in a set.

toBoolean​

The toBoolean function converts a parameter value to a Boolean value.

toDateTime​

The toDateTime function converts a parameter value to a date-time value.

toFloat​

The toFloat function converts a parameter value to a float (floating-point decimal number).

toIP​

The toIP function converts a string to an IP.

toInteger​

The toInteger function converts a parameter value to an integer.

toString​

The toString function converts a parameter value to a string.

toURL​

The toURL function converts a parameter value to a URL.

Date Functions​

Date functions provide mechanisms for processing and transforming dates and times.

dateAdd​

The dateAdd function adds the given number of milliseconds to the provided date and returns a new date. The timezone is not affected.

dateDiff​

The dateDiff function computes the absolute millsecond difference between two dates without taking their timezones into account.

dateDiffTz​

The dateDiffTz function computes the millisecond difference between two dates while taking their timezone differences into account.

datePart​

The datePart function returns an integer representing the specified date part.

now​

The now function returns the current GMT date and time with millisecond precision.

toLocalTime​

The toLocalTime function converts the given date and time to the local timezone.

toTimeZone​

The toTimeZone function converts the given date and time to the date and time in the specified timezone.

IP Functions​

IP functions provide tools for evaluating and processing IPs and their constituent parts.

getHost​

The getHost function returns the host port of the specified IP as an IP. The network port lists zero. The CIDR value does not change.

getNetwork​

The getNetwork function returns the network portion of the specified IP as an IP. The host port is zeroed out. If the CIDR argument is valid and non-null, and its value is less than the CIDR in the IP, then the argument CIDR is used. The CIDR used to get the network is the CIDR of the returned IP.

inNetwork​

The inNetwork function checks whether the first IP is in the same network as the second IP (the network IP).

It takes an optional IPv4 CIDR value (ip4cidr) and IPv6 CIDR value (ip6cidr). If the provided CIDR is greater than the CIDR of the network, then the default CIDR is used. The default IPv4 CIDR is 8, and the default IPv6 CIDR is 12. The range for the IPv4 CIDR is 0-32, and the range for the IPv6 CIDR is 0-128. A value of null, 0, or <0 means use the CIDR in the IP.

Math Functions​

Math functions provide means for performing complex mathematical calculations.

abs​

The abs function returns the absolute value of the given value.

ln​

The ln function returns the natural log of the given value.

log10​

The log10 function returns the common log of the given value.

power​

The power function calculates exponential values by taking an entered value and raising it to the specified power.

random​

The random function returns a random integer.

round​

The round function rounds an entered float (floating point number) to the specified number of places.

sqrt​

The sqrt function returns the square root of the entered value.

Note

The input must be positive. Otherwise, the sqrt function returns an error.

Miscellaneous​

Miscellaneous functions do not fit under any of the other categories, but still provide useful mechanisms for creating and processing information.

firstNonNull​

The firstNonNull function evaluates the given expressions from left to right, and returns the first non-null value.

getSystemConfidence​

The getSystemConfidence function returns the system-computed confidence for the given solution. If risk computation is not enabled for the template, the functions returns a null value.

getUrlPart​

The getUrlPart function returns the part of the specified URL that corresponds to the provided part string.

lexMatch​

The lexMatch function returns an array of matching lexicon entries if the given expression matches the lexicon. Otherwise, it returns a null value.

makeArray​

The makeArray function returns an array containing all the input elements.

Note

The elements must be of the same datatype.

makeUrl​

The makeUrl function generates a URL based on the input parameters.

makeUuid​

The makeUuid function generates a unique ID.

Spatial Functions​

Spatial functions help process and evaluate geometrical and geographical data.

contains​

The contains function returns true if the specified polygon contains the specific point.

distance​

The distance function returns the distance in miles between two geo points.

makeGeoPoint​

The makeGeoPoint function converts the two submitted numbers into a single geo point.

String Functions​

String functions provide mechanisms for creating, transforming, and working with strings.

concat​

The concat function concatenates the submitted expressions into a single string.

Note

The concat function requires a minimum of two expressions.

left​

The left function returns the specified number of characters from the left of the entered string.

Note

If the value of the specified integer exceeds the length of the string, then left returns the complete string.

length​

The length function returns the length of the specified string.

lower​

The lower function returns the lowercase form of the submitted string, using the default locale.

replaceAll​

The replaceAll function replaces all occurrences of a given regular expression (regex) in a given string with the specified replacement string.

replaceFirst​

The replaceFirst function replaces the first occurrence of a given regular expression (regex) in a given string with the specified replacement string.

The right function returns the specified number of characters from the right of the entered string.

Note

If the value of the specified integer exceeds the length of the string, then right returns the complete string.

substr​

The substr function returns a substring from an input string, beginning with the submitted starting index and continuing to the specified length.

trim​

The trim function removes leading and trailing spaces from the submitted string.

upper​

The upper function returns the uppercase form of the submitted string, using the default locale.

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