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Iterate through Request parameters

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Posted on by BrennanPhoenix

Hi All-

I'm trying to iterate through the request parameters to get an idea of what kind of data I have access to there. However, I'm having trouble figuring out the accessor attributes for individual params, so all I get is a list of blank list items.

<ul>
{% for par in params %}
<li>{{ par.key }} : {{ par.value }}</li>
{% endfor %}
</ul>

What am I missing?

Thanks!

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OOlashyn 3,496 Most Valuable Professional on at

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Hi @BrennanPhoenix ,

First of all, it should not be just params it is request.params. More about request liquid object you find in official docs here. As per MS description params contains: "Named parameter values for the current request. params is a combination of URL query string parameters, form post parameters, and cookies.". So it contains a lot of data. It doesn't store that data in a name-value pair as an object. Rather it is some sort of object (implementation of which is hidden from us) where possible values stored in an array where the first value is the name of the parameter and second is its value. For example, if your URL will have dataId parameter with value 12345 it will be stored in params like this [dataId, 12345]. So you cannot just iterate through possible values, you need to know them. If you want to see all the available data I would advise you to output it in the console using something like this:
<script> console.log("params",`{{request.params}}`); </script>
I am using template strings because request.params contain a lot of special characters and spaces.

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BrennanPhoenix 30 on at

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Thanks @OOlashyn -

This is what I was looking for 😀
Sadly, I was hoping that along with Form Fields they might include file upload data 😥
Still, there is plenty here to work with.

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