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Expression Editor

 
The expression editor is used to create response from expression, question from expression and UDF from expression.
 
Expression Editor
1

Expression box

1. Expression box
Type the expression in the expression box.
2

Parse message

2. Parse message
With parse message you will know if the expression is properly written. If complete syntax is correct, the parse message returns a data type of the whole expression.
3

Expression hints

3. Expression hints
Click on it to expand Expression hints.
4

Categories of operators/functions

4. Categories of operators/functions
5

The list of operators/functions

5. The list of operators/functions
Selecting an operator/function shows description in the free space on the right.
Double-clicking on an operator/function inserts it into the expression box at current position.
6

Auto format

6. Auto format
Auto format button in the expression window enhances code readability by automatically organizing the expressions. It splits the expression into separate lines, it is useful for more advanced expressions such as TabReference. It adds indentations to track nesting levels. Note that if you syntax is incorrect, this button will be inactive.
7

Data references

7. Data references
Data reference is a mechanism built to selectively retrieve data from Query. It can be used to populate
 
  • Slide title;
  • Text inside a text field or a shape;
  • Contents of a Grid cell;
  • Source of Grid’s dynamic rows or dynamic columns;
  • Value provided to a data widget;
  • Conditional formatting formula.