Bypass output value of Iterate Field Values in Model Builder

I have a model that I'm using to iterate through a parcel feature class, gather all the values of 'parcel id',then using the collect values tool to collect all the fields. From this process I need to run my python script that requires 'parcel id' input to run. When I open the script in model builder I am only given the option to select the 'Value' from the iteration that only contains the last parcel selected. How can I bypass that selection and use the 'Stored Values' (which contains all of the parcels selected from the Iterate Field Values tool?

Thanks in advance

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