Extract an Item from Array | Get and Map Function | Make Beginners Guide

Are you a beginner? Learn in just 10 mins how to extract an item from an array based on a label using Get() and Map() functions.


This is one of the more important data manipulation techniques to learn. Well done.


Brilliant stuff Jahar :purple_heart:

Thank you so much for creating the video and for sharing it with the community. The get-map function is often a life-saver so the more folks know about it the better!


WOW this is so helpful!!! Thank you so much!!

I have been trying to learn Iterators and Arrays and got close, but wasn’t using the map function, I was using the iterator to extract values from arrays and then using Set Variables.

Going to try it this way. Thanks again, looking forward to more!


Thanks for the feedback. Please feel free to comment on our video as well


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4 posts were split to a new topic: Filtering based on date

OMG I cant believe there’s a class on this! Just bought it, can’t wait to dig in and looking forward to future courses!! Thank yoU!

We have received your request. We shall send the recording soon.

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Hi, thank you for sharing. One question: What about when you need to get and map function for sub arrays? (an array inside an array?) ie , need to retrieve number 55555555555 under “id”: 363024, “key”: “_wc_shipment_tracking_items” on this example?

 "metaData": [
            "id": 331866,
            "key": "is_vat_exempt",
            "value": "no"
            "id": 331867,
            "key": "_wpm_process_through_wpm",
            "value": "1"
            "id": 363024,
            "key": "_wc_shipment_tracking_items",
            "value": [
                    "trackingProvider": "XXXXXXXX",
                    "customTrackingProvider": null,
                    "customTrackingLink": null,
                    "trackingNumber": "55555555555",
                    "dateShipped": "1679443200",
                    "trackingId": "111d902c2adc67074b"

best regards,

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You are feeding an array with just 1 array element in metaData array, so get() or map() won’t work since they work best on an array with multiple array elements. To be more precise get() will be able to just select the first array element because there is only one in your array, or it can select metaData.value array but it won’t search it. map() won’t work either since there is only one array element and filtering will work on an array with multiple elememts.

What you have here is an array with a bunch of collections in it so it is best to simply iterate the array with the array iterator, filter and then select the item you need out of the iterator using a filter.

When I try to work with data structures I like to isolate the structure into a Parse JSON module which effectively generates the necessary output bundle(s) that I can work with. I simply wrapped your array structure in { and } to create a JSON structure:

The Parse JSON module you can see generates just 1 bundle with an array with 1 array item and 3 collections inside of it. The iterator simply iterates the array and each collection becomes a separate bundle that can now be filtered and treated individually.

Next I simply filter on the id in the module path to the next module, Set Variable.

This module sets the variable to what I want to extract out of the matching bundle that was filtered

Yielding the necessary result:

I am attaching the blueprint for you to experiment with on your own.
blueprint (8).json (5.3 KB)

Remember: get() and map() work on arrays and complex arrays with MULTIPLE array elements, NOT arrays with 1 array with multiple collections.

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I followed your tutorial step by step but I still ended up with no data. I’m using calendly to capture data btw. can anyone help?

Hi @Xavier_Caffrey

Please share more details of the mapping you have done.

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