List of some useful OOTB Pega PRPC functions

Here I will provide the list of some useful functions based on the data types.

Date/DateTime functions:-

addTime(DateTime,calender) from PegaRULES:DateTime library
 
Add an amount of business or calendar time to a DateTime


CurrentDateTime() from PegaRULES:DateTime library

Return the system current DateTime in following format: 20181026T051021.606 GMT


differenceBetweenDate(DateTIme1, DateTIme2, usebusinessdays, Calendarname ) from Pega-RULES:BusinessCalendar library

Calculates the integer number of calendar or business days between a first and a second DateTime value, optionally based on a calendar data instance. This is positive if the first date is later than the second date. A day is defined as 60*60*24 seconds in this calculation.



FormatDateTime(DateTime, format,*,*) from Pega-RULES:DateTime library

For example FormatDateTime(DateTime,"yyyy-MM-dd'T'HH:mm:ss",null,null)


isBusinessDay(date,calendar) from Pega-RULES:BusinessDate library

True if the date is a business day in the calendar identified by the second parameter.

Property Functions:-

IsInPageList(LookFor, LookAt, LookIn) from Pega-RULES:Utilities library 
Searches through the values in a Page List property for a match.  


IsInPropertyList(LookFor, LookIn) from Pega-RULES:Utilities library
Search through the values in a Value List property for a match.

PageExists(pagename, activityname) from  Pega-RULES:Default library
Check whether a page of a specific name already exists, in the context of an activity.