.. highlightlang:: us

.. index:: who

.. _who:

who
===

.. us.tag  who ENGLISH Programming.Symboltable

:ref:`who` displays the names of the global variables in the command window.

.. function::  who()
               who(ssPattern)

.. us.params

**Parameters**

.. uparam:: ssPattern

   *ssPattern* is a scalar string with the search pattern. For a description of
   the search pattern, see :ref:`strmatch`.

.. us.example

**Example**

List all variable names:

::

   who()

List all variable names beginning with an underline:

::

   who("_*")

.. seealso::
   :ref:`overview-programming`,
   :ref:`whos`,
   :ref:`what`

:sub:`id-1802567`