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In the advanced workflow designer, when you configure approver rules for a user task node, selecting Other rules reveals a Groovy request option. Write a Groovy script to control approvers based on your business needs.

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Prerequisites

Before using Groovy scripts, familiarize yourself with Groovy. For details, see the W3C Groovy tutorial and the Apache Groovy introduction.

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Procedure

This example determines the finance approver based on the number entered in an input field. Requests below 100 are approved by one approver, and requests above 100 are approved by another.
1

On the workflow form editing page, add a Single-line text box and copy its unique identifier

2

Configure the approval process: select the approval node > Approver rule > Other rules > Groovy rule

Use Groovy request for the approver of the finance approval node. textField_kov80fx9 is the unique identifier of the Single-line text box on the form. Note: When editing a Groovy request script, use the toInteger() method because internal workflow variables are strings. The toInteger() method is required by default. Use the following format as a reference: Copy and use the following code directly:
This code means: when the number in the Single-line text box is less than 100, route the request to one approver; otherwise, route it to another. You can return multiple approvers.