Docs for set group wms data (#10276)

Author: DelazJ

docs/server_manual/getting_started.rst

@@ -1027,6 +1027,26 @@ this specific URL in the WCS GetCapabilities response.
 Fine tuning your OWS
 ----------------------
 
+Apart from configuring metadata individually for each layer, in QGIS you
+can fine tune your group of WMS layers. This is useful if you want the group to appear
+as a single entity in the WMS GetCapabilities, instead of exposing only its child layers.
+By setting metadata at the group level, you can provide a clearer description of related layers
+and improve the usability of your service.
+To configure metadata for a group of layers:
+
+#. In the :guilabel:`Layers` panel, right-click the desired layer group
+   and select :guilabel:`Set Group WMS Data`.
+#. In the dialog that opens, fill in the information:
+
+   * a :guilabel:`Description`: the abstract of the layer group.
+   * a :guilabel:`Attribution`: the attribution of the layer group.
+   * a :guilabel:`Metadata URL`: the URL of a metadata document for the layer group.
+   * a :guilabel:`Legend URL`: the URL of a legend image for the layer group.
+
+#. Optionally, you can check |checkbox| :guilabel:`Compute TIME dimension from children`
+   to have QGIS Server compute the TIME dimension for the group
+   based on the TIME dimensions of its child layers.
+
 For vector layers, the :guilabel:`Fields` tab of the :menuselection:`Layer -->
 Layer Properties` dialog allows you to define for each attribute if it will be published or not.
 By default, all the attributes are published by your WMS and WFS.