Hi Fritz,

I am not sure if I fully understood how your variable will be called on the WP Page;

but if you simply have a Column with these values in your Table, I will show you some examples how you can pre-filter Tables.

There can be different ways to pre-filter tables in our plugin :

If you wish to try Pre-filtering tables through URL,  please check out this page with examples.

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You can also use placeholders for table generation.

1. For example, if you have a MySQL query-based table, you can use this query:

SELECT * FROM yourDatabaseTable
WHERE columnName = '%VAR1%'

%VAR1% can be defined in the Placeholders tab when you're creating a table, 

or you can pass a different VAR1 value in the table's shortcode.

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2. Or, if you don't add the condition in an SQL query ( or don't use an SQL Table),

you can add %VAR1% in column settings -> Filtering, under "Predefined filtering value".

Then, you can have different versions of the same table, with the VAR1 value passed in the shortcode,

let's say if we had a "Regions" column and we wish to filter a different region per each page.

If we want page 1 for example only filtered for "Region A" , you can set predefined filter to this column as %VAR1% (filter type has to be set as text) :

Then for a page where we need only Region 1 filtered, use shortcode [wpdatatable id=1 var1='Region A'] ,

 page 2 for only "Region B", shortcode would be [wpdatatable id=1 var1='Region B'] and so on, 

to apply the values defined in the shortcode to the filter.

( This filtering method can be used for any table type, besides Simple Tables)

Let me know if that helps.