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If you want your rule to run Only when the form loads - check the Initialization Only checkbox at the top of the wizard. Typically, you would check this if there is some business logic that you want to to execute before the form/flow displays and users begin interacting with it. Refer to Example 3 below.
When the rule displays in the Rule Builder tab, it will indicate that the rule has been flagged to run only when the form loads, if this checkbox is checked. This feature will be helpful for creating rules in future versions of the Visual Rule Builder.
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