Expression Builder

How do I open Expression Builder?
  • In
    Library Designer
     or
    Library Object Manager
    , select the ellipsis button (...) next to parameters, values, and other objects that can be modified by or decorated with an expression.
The
Expression Builder
 is an environment to create, test, and save expressions.
Expression Builder
The
Expression Builder
 window includes a command toolbar, decorative element tabs, and functional areas.
Item
Description
Add New icon
The
Add New
 button is only active on the
Parameter
 tab and opens the
Add New Parameter
 window.
Move Up icon Move Down icon
The
Move Up/Move Down
 buttons are not active in the
Expression Builder
 window.
Find partial
This dropdown menu can initiate a search for parameters that match a text string entered in the adjacent field. There are two different types of finds that can be performed, use the dropdown menu to select the one to use:
  • FindPartial
    : Searches for the text string in any part of an entry.
  • FindPrefix
    : Searches for the text string at the beginning of an entry.
Find can be used on all of the tabs.
The decorative elements available to the current expression. These include all elements added to the current library object and all elements added to the library objects that are higher in scope. These elements include:
  • Parameters
  • Functions
  • Expressions
  • Predefined
Functions and expressions can be saved and used in future projects.
A collection of logical and mathematical operators that can be used to manipulate the values generated by the decorative elements.
Expression box and Result Type
The expression appears here as elements are added to it. There are also settings and buttons to set the data type of the expression result, and to validate, test, and save the expression. The
Result Type
 displays a color-coded response when the expression is validated and tested.
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