Update map.markdown for geolocation focus option (#35454)

source/_dashboards/map.markdown

@@ -58,11 +58,11 @@ type:
   type: string
 entities:
   required: true
-  description: List of entity IDs or `entity` objects (see below). Either this or the `geo_location_sources` configuration option is required.
+  description: List of entity IDs or `entity` objects (see [below](#options-for-entities)). Either this or the `geo_location_sources` configuration option is required.
   type: list
 geo_location_sources:
   required: true
-  description: List of geolocation sources. All current entities with that source will be displayed on the map. See [Geolocation](/integrations/geo_location/) platform for valid sources. Set to `all` to use all available sources. Either this or the `entities` configuration option is required.
+  description: List of geolocation sources or `source` objects (see [below](#options-for-geolocation-sources)). All current entities with that source will be displayed on the map. See [Geolocation](/integrations/geo_location/) platform for valid sources. Set to `all` to use all available sources. Either this or the `entities` configuration option is required.
   type: list
 auto_fit:
   required: false
@@ -134,6 +134,22 @@ focus:
   type: boolean
 {% endconfiguration %}
 
+## Options for geolocation sources:
+
+If you define geolocation sources as objects instead of strings (by adding `source:` before the ID), you can add more customization and configuration.
+
+{% configuration %}
+source:
+  required: true
+  description: Name of a geolocation source, or `all`.
+  type: string
+focus:
+  required: false
+  default: true
+  description: When set to `false`, the entities of this source will not be considered for determining the default zoom or fit of the map.
+  type: boolean
+{% endconfiguration %}
+
 ## Examples
 
 ```yaml
@@ -150,6 +166,8 @@ entities:
 type: map
 geo_location_sources:
   - nsw_rural_fire_service_feed
+  - source: gdacs
+    focus: false
 entities:
   - zone.home
 ```