diff --git a/output/schema/schema.json b/output/schema/schema.json
index 938c7676af..667bfce409 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -120982,6 +120982,18 @@
             }
           }
         },
+        {
+          "description": "Information about the factors impacting the initial anomaly score.",
+          "name": "anomaly_score_explanation",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "AnomalyExplanation",
+              "namespace": "ml._types"
+            }
+          }
+        },
         {
           "name": "bucket_span",
           "required": true,
@@ -121241,7 +121253,7 @@
           }
         }
       ],
-      "specLocation": "ml/_types/Anomaly.ts#L24-L47"
+      "specLocation": "ml/_types/Anomaly.ts#L24-L51"
     },
     {
       "kind": "interface",
@@ -121414,7 +121426,137 @@
           }
         }
       ],
-      "specLocation": "ml/_types/Anomaly.ts#L49-L64"
+      "specLocation": "ml/_types/Anomaly.ts#L53-L68"
+    },
+    {
+      "kind": "interface",
+      "name": {
+        "name": "AnomalyExplanation",
+        "namespace": "ml._types"
+      },
+      "properties": [
+        {
+          "description": "Impact from the duration and magnitude of the detected anomaly relative to the historical average.",
+          "name": "anomaly_characteristics_impact",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "integer",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Length of the detected anomaly in the number of buckets.",
+          "name": "anomaly_length",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "integer",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Type of the detected anomaly: `spike` or `dip`.",
+          "name": "anomaly_type",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "string",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "Indicates reduction of anomaly score for the bucket with large confidence intervals. If a bucket has large confidence intervals, the score is reduced.",
+          "name": "high_variance_penalty",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "If the bucket contains fewer samples than expected, the score is reduced.",
+          "name": "incomplete_bucket_penalty",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "boolean",
+              "namespace": "_builtins"
+            }
+          }
+        },
+        {
+          "description": "Lower bound of the 95% confidence interval.",
+          "name": "lower_confidence_bound",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "double",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Impact of the deviation between actual and typical values in the past 12 buckets.",
+          "name": "multi_bucket_impact",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "integer",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Impact of the deviation between actual and typical values in the current bucket.",
+          "name": "single_bucket_impact",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "integer",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Typical (expected) value for this bucket.",
+          "name": "typical_value",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "double",
+              "namespace": "_types"
+            }
+          }
+        },
+        {
+          "description": "Upper bound of the 95% confidence interval.",
+          "name": "upper_confidence_bound",
+          "required": false,
+          "type": {
+            "kind": "instance_of",
+            "type": {
+              "name": "double",
+              "namespace": "_types"
+            }
+          }
+        }
+      ],
+      "specLocation": "ml/_types/Anomaly.ts#L75-L116"
     },
     {
       "kind": "interface",
@@ -126949,7 +127091,7 @@
           }
         }
       ],
-      "specLocation": "ml/_types/Anomaly.ts#L66-L69"
+      "specLocation": "ml/_types/Anomaly.ts#L70-L73"
     },
     {
       "kind": "interface",
diff --git a/output/typescript/types.ts b/output/typescript/types.ts
index 3925c8d4ed..03fcbeb54d 100644
--- a/output/typescript/types.ts
+++ b/output/typescript/types.ts
@@ -11631,6 +11631,7 @@ export interface MlAnalysisMemoryLimit {
 
 export interface MlAnomaly {
   actual?: double[]
+  anomaly_score_explanation?: MlAnomalyExplanation
   bucket_span: DurationValue<UnitSeconds>
   by_field_name?: string
   by_field_value?: string
@@ -11671,6 +11672,19 @@ export interface MlAnomalyCause {
   typical: double[]
 }
 
+export interface MlAnomalyExplanation {
+  anomaly_characteristics_impact?: integer
+  anomaly_length?: integer
+  anomaly_type?: string
+  high_variance_penalty?: boolean
+  incomplete_bucket_penalty?: boolean
+  lower_confidence_bound?: double
+  multi_bucket_impact?: integer
+  single_bucket_impact?: integer
+  typical_value?: double
+  upper_confidence_bound?: double
+}
+
 export interface MlApiKeyAuthorization {
   id: string
   name: string
diff --git a/specification/ml/_types/Anomaly.ts b/specification/ml/_types/Anomaly.ts
index 621231ecd4..514a3c4659 100644
--- a/specification/ml/_types/Anomaly.ts
+++ b/specification/ml/_types/Anomaly.ts
@@ -23,6 +23,10 @@ import { DurationValue, EpochTime, UnitMillis, UnitSeconds } from '@_types/Time'
 
 export class Anomaly {
   actual?: double[]
+  /**
+   * Information about the factors impacting the initial anomaly score.
+   */
+  anomaly_score_explanation?: AnomalyExplanation
   bucket_span: DurationValue<UnitSeconds>
   by_field_name?: string
   by_field_value?: string
@@ -67,3 +71,46 @@ export class Influence {
   influencer_field_name: string
   influencer_field_values: string[]
 }
+
+export class AnomalyExplanation {
+  /**
+   * Impact from the duration and magnitude of the detected anomaly relative to the historical average.
+   */
+  anomaly_characteristics_impact?: integer
+  /**
+   * Length of the detected anomaly in the number of buckets.
+   */
+  anomaly_length?: integer
+  /**
+   * Type of the detected anomaly: `spike` or `dip`.
+   */
+  anomaly_type?: string
+  /**
+   * Indicates reduction of anomaly score for the bucket with large confidence intervals. If a bucket has large confidence intervals, the score is reduced.
+   */
+  high_variance_penalty?: boolean
+  /**
+   * If the bucket contains fewer samples than expected, the score is reduced.
+   */
+  incomplete_bucket_penalty?: boolean
+  /**
+   * Lower bound of the 95% confidence interval.
+   */
+  lower_confidence_bound?: double
+  /**
+   * Impact of the deviation between actual and typical values in the past 12 buckets.
+   */
+  multi_bucket_impact?: integer
+  /**
+   * Impact of the deviation between actual and typical values in the current bucket.
+   */
+  single_bucket_impact?: integer
+  /**
+   * Typical (expected) value for this bucket.
+   */
+  typical_value?: double
+  /**
+   * Upper bound of the 95% confidence interval.
+   */
+  upper_confidence_bound?: double
+}