Add domain prefix filter query parameter to list status pages API (#3960)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v2/openapi.yaml

@@ -115344,6 +115344,11 @@ paths:
           schema:
             default: 50
             type: integer
+        - description: Filter status pages by exact domain prefix match. Returns at most one result.
+          in: query
+          name: filter[domain_prefix]
+          schema:
+            type: string
         - description: "Comma-separated list of resources to include. Supported values: created_by_user, last_modified_by_user."
           in: query
           name: include

api/datadogV2/api_status_pages.go

@@ -1522,9 +1522,10 @@ func (a *StatusPagesApi) ListMaintenances(ctx _context.Context, o ...ListMainten
 
 // ListStatusPagesOptionalParameters holds optional parameters for ListStatusPages.
 type ListStatusPagesOptionalParameters struct {
-	PageOffset *int32
-	PageLimit  *int32
-	Include    *string
+	PageOffset         *int32
+	PageLimit          *int32
+	FilterDomainPrefix *string
+	Include            *string
 }
 
 // NewListStatusPagesOptionalParameters creates an empty struct for parameters.
@@ -1545,6 +1546,12 @@ func (r *ListStatusPagesOptionalParameters) WithPageLimit(pageLimit int32) *List
 	return r
 }
 
+// WithFilterDomainPrefix sets the corresponding parameter name and returns the struct.
+func (r *ListStatusPagesOptionalParameters) WithFilterDomainPrefix(filterDomainPrefix string) *ListStatusPagesOptionalParameters {
+	r.FilterDomainPrefix = &filterDomainPrefix
+	return r
+}
+
 // WithInclude sets the corresponding parameter name and returns the struct.
 func (r *ListStatusPagesOptionalParameters) WithInclude(include string) *ListStatusPagesOptionalParameters {
 	r.Include = &include
@@ -1584,6 +1591,9 @@ func (a *StatusPagesApi) ListStatusPages(ctx _context.Context, o ...ListStatusPa
 	if optionalParams.PageLimit != nil {
 		localVarQueryParams.Add("page[limit]", datadog.ParameterToString(*optionalParams.PageLimit, ""))
 	}
+	if optionalParams.FilterDomainPrefix != nil {
+		localVarQueryParams.Add("filter[domain_prefix]", datadog.ParameterToString(*optionalParams.FilterDomainPrefix, ""))
+	}
 	if optionalParams.Include != nil {
 		localVarQueryParams.Add("include", datadog.ParameterToString(*optionalParams.Include, ""))
 	}