# Functions

From FlexRule Wiki

(Redirected from Expression/Functions)

Function is an expression that performs a tasks. Function defines a relation between set of inputs and its outputs.

We grouped the functions in different categories to make it easier to find them based on what you are trying to achieve:

- Functions:Generic
- Functions:String
- Functions:Formatting
- Functions:Notification
- Functions:Math
- Functions:Variable
- Functions:DateTime
- Functions:IO
- Functions:Process
- Functions:Object
- Functions:Base64
- Functions:Database
- Functions:Conditional
- Functions:Type
- Functions:Excel
- Functions:CSV
- Functions:XML
- Functions:Collection/Management
- Functions:Collection/Search
- Functions:Collection/Joins
- Functions:Collection/Order