==========================
Data Model/Functions
==========================

The **Data Model/Functions** page allows user to

-  manage functions and function level

List functions
--------------

#. In browser, log in to Izenda as a user with Data Model permission.
#. Click Settings, then Data Setup then Data Model in the left menu.
#. Select the Setting Level: either System or a specific tenant.
#. Click Functions in the Middle Panel.

   .. _Data_Model_Functions_Location:

   .. figure:: /_static/images/Data_Model_Functions_Location.png
      :width: 429px

      Data Model - Functions |br|

#. Visible functions from all connections will be displayed.
#. By default, only the first page with 10 items are displayed. To see
   more, either use the next page icon

   .. figure:: /_static/images/Data_Model_Next_Page_Icon.png
      :width: 92px

      Data Model - Next Page |br|

   or select a larger number in Items per page box.

   .. figure:: /_static/images/Data_Model_Items_per_page.png
      :width: 172px

      Data Model - Items per page |br|

Search for functions
--------------------

The Search box at the top allows user to search for specific functions.

#. .. _Data_Model_Functions_Search_by_Elements:

   .. figure:: /_static/images/Data_Model_Functions_Search_by_Elements.png
      :align: right
      :width: 300px

      Data Model - Search Functions by element

   Select a specific element to search for in the dropdown on the left
   of the Search box. Default is All. |br|
#. Type a partial name and click the search icon (🔍).
#. Only the matching functions will be displayed.

Set function level
------------------

There are 2 types of function level:

-  Field Level means whether the function is allowed to be used in field
   level in Report Designer Module.

      .. _Data_Model_Functions_Field_Level_is_disabled:

      .. figure:: /_static/images/Data_Model_Functions_Field_Level_is_disabled.png
         :width: 464px

         Data Model - Function Field Level is disabled |br|

      When a function requires more than one input parameter, it cannot be used in field level and this option will be disabled.

-  Expression Level means whether the function is allowed to be used in
   calculated columns.

#. Tick the respective checkbox to allow or untick to reject.
#. Continue to set for other functions in the same page.
#. Click Save button at the top, then click OK in the confirmation
   pop-up.