Double all user point gains.

mycred-run-this-filter-example2

/**
 * Duplicate Points
 * @since 1.0
 * @version 1.0
 */
function mycred_pro_duplicate_points( $request ) {

	// If a user is to gain points, double the value
	if ( $request['amount'] > 0 ) {
		$request['amount'] = $request['amount'] * 2;
	}

	return $request;

}
add_filter( 'mycred_run_this', 'mycred_pro_duplicate_points' );