diff --git a/definitions/ext-pi_hole/dashboard.json b/definitions/ext-pi_hole/dashboard.json
new file mode 100644
index 000000000..4e83cf6aa
--- /dev/null
+++ b/definitions/ext-pi_hole/dashboard.json
@@ -0,0 +1,163 @@
+{
+  "dashboard": {
+    "title": "PiHole",
+    "widgets": [
+      {
+        "title": "Total DNS requests",
+        "nrql": "FROM Metric SELECT latest(pihole_dns_queries_today) as 'Total DNS requests'",
+        "process_as": "billboard",
+        "width": 3,
+        "height": 2,
+        "row": 1,
+        "column": 1,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "Blocked DNS requests",
+        "nrql": "FROM Metric SELECT latest(pihole_ads_blocked_today) as 'Blocked DNS requests'",
+        "process_as": "billboard",
+        "width": 3,
+        "height": 2,
+        "row": 1,
+        "column": 4,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "% blocked requests",
+        "nrql": "FROM Metric SELECT latest(pihole_ads_percentage_today) as '% blocked requests'",
+        "process_as": "billboard",
+        "width": 3,
+        "height": 2,
+        "row": 1,
+        "column": 7,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "Domains on blocklist",
+        "nrql": "FROM Metric SELECT latest(pihole_domains_being_blocked) as 'Domains on blocklist'",
+        "process_as": "billboard",
+        "width": 3,
+        "height": 2,
+        "row": 1,
+        "column": 10,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "DNS requests",
+        "nrql": "FROM Metric SELECT ifthen( (earliest(pihole_dns_queries_today) - latest(pihole_dns_queries_today)) <= 0 , latest(pihole_dns_queries_today) - earliest(pihole_dns_queries_today) ) as 'DNS requests' timeseries",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 3,
+        "column": 1,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "Requests blocked",
+        "nrql": "FROM Metric SELECT ifthen( (earliest(pihole_ads_blocked_today) - latest(pihole_ads_blocked_today)) <= 0 , latest(pihole_ads_blocked_today) - earliest(pihole_ads_blocked_today) ) as 'Requests blocked' timeseries",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 3,
+        "column": 4,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "Requests forwarded",
+        "nrql": "FROM Metric SELECT ifthen( (earliest(pihole_queries_forwarded) - latest(pihole_queries_forwarded)) <= 0 , latest(pihole_queries_forwarded) - earliest(pihole_queries_forwarded) ) as 'Requests forwarded' timeseries",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 3,
+        "column": 7,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "Requests cached",
+        "nrql": "FROM Metric SELECT ifthen( (earliest(pihole_queries_cached) - latest(pihole_queries_cached)) <= 0 , latest(pihole_queries_cached) - earliest(pihole_queries_cached) ) as 'Requests cached' timeseries",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 3,
+        "column": 10,
+        "event_types": null,
+        "facet": null,
+        "customizations": { "thresholds": {} },
+        "notes": null
+      },
+      {
+        "title": "Cumulative DNS requests",
+        "nrql": "FROM Metric SELECT latest(pihole_dns_queries_today) as 'Cumulative DNS requests' TIMESERIES",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 6,
+        "column": 1,
+        "event_types": null,
+        "facet": null,
+        "customizations": null,
+        "notes": null
+      },
+      {
+        "title": "Cumulative requests blocked",
+        "nrql": "FROM Metric SELECT latest(pihole_ads_blocked_today) as 'Cumulative requests blocked' TIMESERIES",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 6,
+        "column": 4,
+        "event_types": null,
+        "facet": null,
+        "customizations": null,
+        "notes": null
+      },
+      {
+        "title": "Cumulative requests forwarded",
+        "nrql": "FROM Metric SELECT latest(pihole_queries_forwarded) as 'Cumulative requests forwarded' TIMESERIES",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 6,
+        "column": 7,
+        "event_types": null,
+        "facet": null,
+        "customizations": null,
+        "notes": null
+      },
+      {
+        "title": "Cumulative requests cached",
+        "nrql": "FROM Metric SELECT latest(pihole_queries_cached) as 'Cumulative requests cached' TIMESERIES",
+        "process_as": "line_chart",
+        "width": 3,
+        "height": 3,
+        "row": 6,
+        "column": 10,
+        "event_types": null,
+        "facet": null,
+        "customizations": null,
+        "notes": null
+      }
+    ]
+  }
+}
diff --git a/definitions/ext-pi_hole/definition.yml b/definitions/ext-pi_hole/definition.yml
new file mode 100644
index 000000000..c677d377b
--- /dev/null
+++ b/definitions/ext-pi_hole/definition.yml
@@ -0,0 +1,22 @@
+domain: EXT
+type: PIHOLE
+
+synthesis:
+  name: piHoleName
+  identifier: piHoleName
+
+  conditions:
+    - attribute: metricName
+      prefix: pihole_
+dashboardTemplates:
+  - dashboard.json
+
+compositeMetrics:
+  goldenMetrics:
+    - golden_metrics.yml
+  summaryMetrics:
+    - summary_metrics.yml
+
+configuration:
+  entityExpirationTime: EIGHT_DAYS
+  alertable: true
diff --git a/definitions/ext-pi_hole/golden_metrics.yml b/definitions/ext-pi_hole/golden_metrics.yml
new file mode 100644
index 000000000..ec2e20a3e
--- /dev/null
+++ b/definitions/ext-pi_hole/golden_metrics.yml
@@ -0,0 +1,8 @@
+totalQueries:
+  title: Total queries
+  query:
+    select: latest(pi_hole_dns_queries_all_types)
+adsBlockedToday:
+  title: Ads Blocked Today
+  query:
+    select: latest(pi_hole_ads_blocked_today)
diff --git a/definitions/ext-pi_hole/summary_metrics.yml b/definitions/ext-pi_hole/summary_metrics.yml
new file mode 100644
index 000000000..ac5ab6ec5
--- /dev/null
+++ b/definitions/ext-pi_hole/summary_metrics.yml
@@ -0,0 +1,14 @@
+totalQueries:
+  title: Total queries
+  unit: COUNT
+  query:
+    select: latest(pi_hole_dns_queries_all_types)
+    from: Metric
+    eventId: entity.guid
+adsBlockedToday:
+  title: Ads Blocked Today
+  unit: COUNT
+  query:
+    select: latest(pi_hole_ads_blocked_today)
+    from: Metric
+    eventId: entity.guid