src/types/class-papi-entry-type.php
public function get_properties() {
		$boxes = $this->get_boxes();
		$list  = [];

		foreach ( $boxes as $box ) {
			foreach ( $box->properties as $property ) {
				$list[] = $property;
			}
		}

		return $list;
	}
public function get_properties() {
		$boxes = $this->get_boxes();
		$list  = [];

		foreach ( $boxes as $box ) {
			foreach ( $box->properties as $property ) {
				$list[] = $property;
			}
		}

		return $list;
	}
Get root properties.

@return array