These articles describe the standard variables present in process instances, how you can create and manipulate variables, how you can use them in activities, and how to display their values in templates and forms.
Standard Process Variables
All of the standard variables present in a workflow instance, generated by user tasks, form submissions, the workflow engine, and supplied in the workflow worker configuration.
Creating and Updating Process Variables
You can create additional process variables in the form fields that interact with processes and in script activities in the model.
Process Variable Tokens and Expressions
There are two types of token you can use to access the values of variables. This article also looks at using Handlebars templates within the modeller, and displaying process variables in task forms.
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