Understanding DataFlux Expression Language

You can use the Expression node to add DataFlux Expression Language expression to an orchestration job. The DataFlux Expression Language provides many statements, functions, and variables for manipulating data. See the DataFlux Expression Language: Reference Guide for more information.

Expressions are entered in the Expression tab, as shown in the following display:

Expression Tab

The Expression tab contains the following elements:

Functions

contains a list of the available DataFlux Expression Language functions. Click Insert to add a selected function into the Expression Editor. Note that help text for the selected function is displayed in the text field in lower left corner of the Expression tab.

Variables and Outputs

contains a list of any variables that are available for use in your expression. Click Insert to add a selected function into the Expression Editor. Note that help text for the selected item is displayed in the text field in lower left corner of the Expression tab.

Templates

contains a set of templates for processes that are useful in orchestration jobs. Click Insert to add a selected template into the Expression Editor. Note that help text for the selected template is displayed in the text field in lower left corner of the Expression tab.

Toolbar

enables you to perform the following tasks in editing your expression: validating, adding and removing comments, increasing and decreasing indent levels, searching and replacing text, and going to a specified line.

Expression Editor

provides an editor for creating the expression.