Overview of Mapper Functions

Flogo provides a graphical data mapper to map data between the activities within a flow, and between the trigger and the flows attached to the trigger within an app. The mapper functions can be used within a mapping expression to enable a more powerful experience. For example, when mapping data, you can coerce the data to a specific time or concat two strings.

Important: See Data Mappings for general information about the data mapper and how to use it.

The mapper provides commonly used functions that you can use along with the data to be mapped. The functions are grouped into the following logical categories:

Category	Description
Array	The Array functions perform operations on collections of similar types of data.
Boolean	The Boolean functions return only `true` or `false`. You can use these functions to perform operations based on a condition.
Coerce	The Coerce functions coerce data from one type to another.
Data	The Data functions perform operations on mapping references.
Datetime	The Datetime functions retrieve, parse, and manage date and time values.
Float	The Float functions convert an integer or string to a floating-point value.
JSON	The JSON functions perform operations on JSON objects or arrays.
Math	The Math functions perform common mathematical operations on values.
Number	The Number functions perform various operations on numbers.
String	The String functions perform various string manipulations. They operate on character strings.
URL	The URL functions return parts of a specific URL, such as the host name used in the URL.
Utility	The Utility functions include general utility functions such as utility.renderJSON which allows you to convert JSON data to a string.
Utils	The Utils functions include general functions for encoding and decoding strings, generating a random UUID, and so on.

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