Process Mining

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Last updated Apr 28, 2025

Expressions

The Logic configuration editor enables you to build expressions using logic blocks. You can drag and drop the available Logic blocks from the side panel to the Logic configuration canvas.

You can use the Expand all and Collapse all icons to view or hide all the available Logic blocks. The Search function enables you to quickly search for a Logic block.

When you select a component on the canvas, you can define the parameters for the component.

NULL values

NULL means that a data value does not exist in the data or that the value is unknown.

For example, if you have a source table for Customers, and some customers did not provide a phone number, the Phone_number field for those customers will be marked as NULL.

Calculations involving NULL values will themselves yield a NULL value. For example 7 + NULL = NULL, because the value of NULL is unknown, there is no way to add seven to nothing.

Tip:

You can use the Compare functions IS NULL and IS NOT NULL to check whether the value of a field or expression is NULL or not NULL.

Attention:

NULL is not the same as zero (0), or an empty value (""). Zero (0) is a number, and an empty value is a value with no characters. NULL, represents the absence of a value altogether.

Example field: Needs review

The following illustration shows an example of nested IF - THEN - ELSE statements and an AND comparison.

This example creates a new Needs review field in the Cases table. This field defines the cases that have a value more than 100,000 that you want to have reviewed by a partner.

The first IF - THEN - ELSE function checks if Case status is Open. If the condition returns true the case is set to In progress. If the condition returns false , the ELSE argument is executed.
The second IF - THEN - ELSE function checks if the Case type is Partner and the Case value is more than 100,000 using an AND comparison. If the AND comparison returns true, the case is set to Review Required. If the AND comparison returns false, the ELSE argument is executed which sets the case to Review Not Required.