Checkboxes view [decode JSON]

Hi, I'm trying to decode this checkbox field in a view.
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I used this code: item.quempode/json in the special fields on the read data but no success.
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Model Name: item
Field Name: quempode
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Reference: https://www.chronoengine.com/forums/posts/t104651/checkboxes-not-checked-when-loading-record
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So you have JSON stored in an array, is that right?
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If so: {var.jsonde:read_data_name.model_name.column_name}

I created a custom code to read data from a database, where I get the return as follows:

$ this-> data ['list_array'] = $list_array;

how can i use that json option?

I'm trying to popularize a dropdown but I haven't seen a tutorial on how to do it on cf7.

in my table in the database, I have a column:

tab_days with the values ["1", "2" ...]

My drop-down menu looks like this:

<div class = "item" data-value = "[1,2]" data-text = "[1,1]"> ["1", "2"] </div>

how do I make it look like this:
I want to separate the items

data-value = 1 data text = 1
data-value = 2 data text = 2

...

how did you get it to list the options in that format ?

The Read Data in v7 (using the Special fields advanced setting to auto decode my field request) I still get the value returned as ["Building Issues"]
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My data path is: request and the Processing Function is: Decode JSON
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What am I missing? What I want displayed is Building Issues and not ["Buidling Issues"]