Add .documents class to specific rows of a Caldera Form

row_classes.php

// Add .documents class to divs of the Employee Onboarding Caldera Form

add_action( 'caldera_forms_grid_row_class', function($rowClass, $row, $config ){
	
	//Change your field ID here
	if('CF5d8ceba87e343' == $config[ 'form_id' ]){
		if( $row==4 || $row==5 ) {
			$rowClass .= ' documents';
		}
	}
	return $rowClass;
}, 10, 3 );