You can find instructions here to access the settings for the Need4Viz charts : Format Custom Element.
For the wall of tiles, the available settings are :
Global
Extended parameters
Global
General : define here the disposition of the tiles and activate or not the animation
Label: define here the color of the label as well as its font size, its horizontal alignment and its vertical alignment (percentage starting from the top).
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Export HTML : this common setting is described here →
Export HTML
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Export FTP :this common setting is described here →
Export FTP