public function unenroll( $product_id, $trigger = 'any', $new_status = 'expired' ) {

		// Can only unenroll those that are a currently enrolled.
		if ( ! $this->is_enrolled( $product_id, 'all', false ) ) {
			return false;
		}

		// Assume we can't unenroll.
		$update = false;

		// If trigger is "any" we'll unenroll regardless of the trigger.
		if ( 'any' === $trigger ) {

			$update = true;

		} else {

			$enrollment_trigger = $this->get_enrollment_trigger( $product_id );

			// No enrollment trigger exists b/c pre 3.0.0 enrollment, unenroll the user as if it was an 'any' trigger.
			if ( ! $enrollment_trigger ) {

				/**
				 * This filter allows customization of enrollments created prior to version 3.0.0
				 *
				 * Prior to 3.0.0 enrollments did not track an enrollment trigger so any unenrollments
				 * performed on an enrollment in this state will automatically be unenrolled.
				 *
				 * Returning `false` will prevent unenrollments against enrollments which don't have
				 * an enrollment trigger.
				 *
				 * @since 3.0.0
				 *
				 * @param bool $allow_unenrollment If true, allows unenrollment, otherwise prevents unenrollment.
				 */
				$update = apply_filters( 'lifterlms_legacy_unenrollment_action', true );

			} elseif ( $enrollment_trigger === $trigger ) {

				$update = true;

			}
		}

		// Update if we can.
		if ( $update ) {

			// Update enrollment for the product.
			if ( $this->insert_status_postmeta( $product_id, $new_status ) ) {

				// Update the cache.
				$this->cache_set( sprintf( 'enrollment_status_%d', $product_id ), $new_status );
				$this->cache_delete( sprintf( 'date_enrolled_%d', $product_id ) );
				$this->cache_delete( sprintf( 'date_updated_%d', $product_id ) );

				$post_type = str_replace( 'llms_', '', get_post_type( $product_id ) );

				// Run legacy action and trigger cascading unenrollments for membership relationships.
				if ( 'membership' === $post_type ) {

					// Users should be unenrolled from all courses they accessed through this membership.
					$this->remove_membership_level( $product_id, $new_status );
				}

				/**
				 * Trigger an action immediately following user unenrollment
				 *
				 * The dynamic portion of this hook, `{$post_type}` corresponds to the post type of the
				 * `$product_id`. Note that any post type prefixed with `llms_` is stripped. For example
				 * when triggered by a membership (`llms_membership`) the hook will be `llms_user_removed_from_membership`.
				 *
				 * @since 3.37.9
				 *
				 * @param int    $user_id    WP_User ID of the student
				 * @param int    $product_id WP_Post ID of the product.
				 * @param string $trigger    Enrollment trigger.
				 * @param string $new_status New enrollment status of the student after the unenrollment has taken place.
				 */
				do_action( "llms_user_removed_from_{$post_type}", $this->get_id(), $product_id, $trigger, $new_status );

				return true;

			}
		}

		// Update was prevented.
		return false;

	}