Expand entity-filter options (#10349)

* Update entity-filter.markdown

* filter should be array

source/_lovelace/entity-filter.markdown

@@ -20,11 +20,11 @@ type:
   type: string
 entities:
   required: true
-  description: "List of entities to filter."
+  description: A list of entity IDs or `entity` objects, see below.
   type: list
 state_filter:
-  required: true
-  description: List of strings representing states.
+  required: false
+  description: List of strings representing states or `filter` objects, see below.
   type: list
 card:
   required: false
@@ -38,6 +38,60 @@ show_empty:
   default: true
 {% endconfiguration %}
 
+## Options For Entities
+
+If you define entities as objects instead of strings (by adding `entity:` before entity ID), you can add more customization and configurations:
+
+{% configuration %}
+entity:
+  required: true
+  description: Home Assistant entity ID.
+  type: string
+type:
+  required: false
+  description: "Sets a custom card type: `custom:my-custom-card`"
+  type: string
+name:
+  required: false
+  description: Overwrites friendly name.
+  type: string
+icon:
+  required: false
+  description: Overwrites icon or entity picture.
+  type: string
+secondary_info:
+  required: false
+  description: "Show additional info. Values: `entity-id`, `last-changed`."
+  type: string
+format:
+  required: false
+  description: "How the state should be formatted. Currently only used for timestamp sensors. Valid values are: `relative`, `total`, `date`, `time` and `datetime`."
+  type: string
+state_filter:
+  required: false
+  description: List of strings representing states or `filter` objects, see below.
+  type: list
+{% endconfiguration %}
+
+## Options For state_filter
+
+If you define state_filter as objects instead of strings (by adding `value:` before your state value), you can add more customization to your filter:
+
+{% configuration %}
+value:
+  required: true
+  description: String representing the state.
+  type: string
+operator:
+  required: false
+  description: Operator to use in the comparison.
+  type: string
+attribute:
+  required: false
+  description: Attribute of the entity to use instead of the state.
+  type: string
+{% endconfiguration %}
+
 ### Examples
 
 Show only active switches or lights in the house
@@ -67,6 +121,24 @@ card:
   title: People at home
 ```
 
+Specify filter for a single entity
+
+```yaml
+type: entity-filter
+state_filter:
+  - "on"
+  - operator: ">"
+    value: 90
+entities:
+  - sensor.water_leak
+  - sensor.outside_temp
+  - entity: sensor.humidity_and_temp
+    state_filter:
+      - operator: ">"
+        value: 50
+        attribute: humidity
+```
+
 <p class='img'>
   <img src='/images/lovelace/lovelace_entity_filter_glance.png' alt='Entity filter combined with glance card'>
   Entity filter combined with glance card.