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Applies to: Tableau Desktop, Tableau Online, Tableau Server

Parameters

Parameters are dynamic values that can replace constant values in calculations, filters, and reference lines. For example, you may create a calculated field that returns true if Sales is greater than $500,000 and otherwise return false. You can replace the constant value of “500000” in the formula with a parameter. Then using the parameter control you can dynamically change the threshold in your calculation. Alternatively, you may have a filter to show the top 10 products by profit. You can replace the fixed value “10” in the filter to by a dynamic parameter so you can quickly look at the top 15, 20, and 30 products.

Note: You cannot create parameters or display parameter controls when you edit views on the web. But you can use parameters in calculations, reference lines, and filters.