Returns the index of the previous page instance.
For repeating pages this will be the zero-based index of the page instance.
For non repeating pages this will be 0 if the page has only been visited once, 1 if it has been visited more than once (eg the user has navigated back and forwards through the form).
Executed
Client-side and server-side.
Arguments
None.
Returns
Integer, the previous page instance. If there isn't a previous instance, the current instance is returned.
Last modified on September 13, 2023
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