.. highlightlang:: us

.. index:: obj_set_at

.. _obj_set_at:

obj_set_at
==========

.. us.tag  obj_set_at ENGLISH New410 obj

:ref:`obj_set_at` adds a key-value pair to the given object. If the key already
exists the value will be overwritten.

.. function::  bool = obj_set_at(obj, key, val)

.. us.return

**Return Value**

*bool* is TRUE (1) if the key-value pair has been set or FALSE (0) if an error
occurred.

.. us.params

**Parameters**

.. uparam:: obj

   *obj* is the object created with :ref:`obj_create`.

.. uparam:: key

   *key* is a number or string.

.. uparam:: val

   *val* is a number, a string or a complex number of a matrix of these types or
   an object created with :ref:`obj_create`. 

.. us.example

**Example**

::

   obj = obj_create()

   // syntax 1
   obj_set_at(obj, "a", 123)

   // syntax 2
   obj.set_at("a", 123)

   // syntax 3
   obj["a"] = 123

   // syntax 4
   obj.a = 123

.. seealso::
   :ref:`overview-uniscript-objects`,
   :ref:`obj_lookup`

:sub:`id-253332`