# PLaSK User Manual

#### Page Contents

- PathHints Class
  - `PathHints`
  - Methods
  - Descriptions
    - Method Details
      - `PathHints.add()`
      - `PathHints.cleanup()`

# PathHints Class

class plask.geometry.PathHints

  Hint used for resolving ambiguities in a geometry tree.

  PathHints is used to resolve ambiguities if any object is present in the geometry tree more than once. It contains a set of PathHint objects holding weak references to containers and their items.

## Methods

`add`(hint) | Append hint to the path.
`cleanup`() | Remove all hints which refer to deleted objects.

## Descriptions

### Method Details

PathHints.add(hint)

  Append hint to the path.

  Parameters:

    hint (PathHint) – Hint to add.

PathHints.cleanup()

  Remove all hints which refer to deleted objects.