TCA::insertFlexform() 

\nn\t3::TCA()->insertFlexform($path); 

Inserts a flex form into a TCA.

Example in the TCA:

'config' => \nn\t3::TCA()->insertFlexform('FILE:EXT:nnsite/Configuration/FlexForm/slickslider_options.xml');
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| @return array

Source Code 

public function insertFlexform( $path )
{
	return [
		'type' 	=> 'flex',
		'ds' 	=> ['default' => $path],
	];
}
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