lightning/docs/source-app/workflows/extend_app.rst

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Extend an Existing App
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You can extend a Lightning app by using community components or building your own.

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.. raw:: html

    <div class="display-card-container">
        <div class="row">

.. Add callout items below this line

.. displayitem::
   :header: Add more components
   :description: Extend an app by adding a prebuilt component.
   :col_css: col-md-4
   :button_link: add_components/index.html
   :height: 150
   :tag: basic

.. displayitem::
   :header: Add a web user interface (UI)
   :description: Extend an app by adding a web user interface (UI)
   :col_css: col-md-4
   :button_link: add_web_ui/index.html
   :height: 150
   :tag: basic

.. displayitem::
   :header: Add a url link
   :description: Extend an app by adding a web url link
   :col_css: col-md-4
   :button_link: add_web_link.html
   :height: 150
   :tag: basic

.. displayitem::
   :header: Build a component
   :description: Extend an app by building a component
   :col_css: col-md-4
   :button_link: build_lightning_component/index.html
   :height: 150
   :tag: basic

.. displayitem::
   :header: Add a server
   :description: Extend an app by adding a server to a component.
   :col_css: col-md-4
   :button_link: add_server/index.html
   :height: 150
   :tag: Intermediate


.. raw:: html

        </div>
    </div>