diff --git a/.generator/schemas/v2/openapi.yaml b/.generator/schemas/v2/openapi.yaml
index ca425e6bd9f2..5423824d0a66 100644
--- a/.generator/schemas/v2/openapi.yaml
+++ b/.generator/schemas/v2/openapi.yaml
@@ -37916,6 +37916,18 @@ components:
           items:
             $ref: '#/components/schemas/ObservabilityPipelineConfigSourceItem'
           type: array
+        use_legacy_search_syntax:
+          description: 'Set to `true` to continue using the legacy search syntax while
+            migrating filter queries. After migrating all queries to the new syntax,
+            set to `false`.
+
+            The legacy syntax is deprecated and will eventually be removed.
+
+            Requires Observability Pipelines Worker 2.11 or later.
+
+            See [Upgrade Your Filter Queries to the New Search Syntax](https://docs.datadoghq.com/observability_pipelines/guide/upgrade_your_filter_queries_to_the_new_search_syntax/)
+            for more information.'
+          type: boolean
       required:
       - sources
       - destinations
diff --git a/services/observability_pipelines/src/v2/models/ObservabilityPipelineConfig.ts b/services/observability_pipelines/src/v2/models/ObservabilityPipelineConfig.ts
index ab832f6225dc..12e0c91d1bc1 100644
--- a/services/observability_pipelines/src/v2/models/ObservabilityPipelineConfig.ts
+++ b/services/observability_pipelines/src/v2/models/ObservabilityPipelineConfig.ts
@@ -31,6 +31,13 @@ export class ObservabilityPipelineConfig {
    * A list of configured data sources for the pipeline.
    */
   "sources": Array<ObservabilityPipelineConfigSourceItem>;
+  /**
+   * Set to `true` to continue using the legacy search syntax while migrating filter queries. After migrating all queries to the new syntax, set to `false`.
+   * The legacy syntax is deprecated and will eventually be removed.
+   * Requires Observability Pipelines Worker 2.11 or later.
+   * See [Upgrade Your Filter Queries to the New Search Syntax](https://docs.datadoghq.com/observability_pipelines/guide/upgrade_your_filter_queries_to_the_new_search_syntax/) for more information.
+   */
+  "useLegacySearchSyntax"?: boolean;
   /**
    * A container for additional, undeclared properties.
    * This is a holder for any undeclared properties as specified with
@@ -68,6 +75,10 @@ export class ObservabilityPipelineConfig {
       type: "Array<ObservabilityPipelineConfigSourceItem>",
       required: true,
     },
+    useLegacySearchSyntax: {
+      baseName: "use_legacy_search_syntax",
+      type: "boolean",
+    },
     additionalProperties: {
       baseName: "additionalProperties",
       type: "{ [key: string]: any; }",