# Method Filesystem.Monitor.symlinks()->DefaultMonitor()->low_call_callback()

Method low_call_callback

  ``void` low_call_callback(`function`(`string`, `mixed` ... :`void`) `cb`, `mapping`(`string`:`int`) `state`, `mapping`(`string`:`string`) `symlink_targets`, `string` `path`, `Stdio.Stat`|`void` `st`, `string`|`void` `symlink`)`

Description

  Call a notification callback and handle symlink expansion.

Parameter `cb`

  Callback to call or UNDEFINED for no operation.

Parameter `state`

  State mapping to avoid multiple notification and infinite loops. Call with an empty mapping.

Parameter `symlinks`

  Symlinks that have not been expanded yet.

Parameter `path`

  Path to notify on.

Parameter `extras`

  Extra arguments to `cb`.

Parameter `symlink`

  Symbolic link that must have been followed for the callback to be called.