:original_name: ddm_05_0013.html

.. _ddm_05_0013:

Applying a Parameter Template
=============================

Scenarios
---------

After you create a parameter template and modify parameters in it based on service requirements, you can apply it to your DDM instances.

Procedure
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#. Log in to the management console.

#. Click |image1| in the upper left corner and select a region and a project.

#. Click |image2| in the upper left corner of the page and choose **Databases** > **Distributed Database Middleware**.

#. Choose **Parameter Templates** in the left navigation pane and proceed with subsequent operations based on the type of the required parameter template.

   -  To apply a default template, click the **Default Templates** tab, locate the required parameter template, and click **Apply** in the **Operation** column.
   -  To apply a custom template, click the **Custom Templates** tab, locate the required parameter template, and choose **More** > **Apply** in the **Operation** column.

   A parameter template can be applied to one or more DDM instances.

#. In the displayed dialog box, select one or more DDM instances that you want to apply the parameter template to and click **OK**.

   After the parameter template is applied to DDM instances successfully, you can view its application history by referring to :ref:`Viewing Application Records of a Parameter Template <ddm_05_0014>`.

.. |image1| image:: /_static/images/en-us_image_0000001685147590.png
.. |image2| image:: /_static/images/en-us_image_0000001733146405.png