"Set attribute", "Add event" and "Condition nodes" can be defined not only by using a visual editor/customer filter but also by using their code editor. JSON syntax has to be followed, and jinja can be used for further personalization and to define a condition.

The following are some syntax examples that can be used in the code editor:

**Add event node:**

**Set attribute:**

**Condition:**

**or**

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It is not possible to test preview customers flowing through the Jinja Condition node to the following nodes and therefore, N/A will be displayed in the Test tab instead.