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diff --git a/web/core/modules/workspaces/src/Negotiator/QueryParameterWorkspaceNegotiator.php b/web/core/modules/workspaces/src/Negotiator/QueryParameterWorkspaceNegotiator.php
new file mode 100644
index 000000000..a2917cd46
--- /dev/null
+++ b/web/core/modules/workspaces/src/Negotiator/QueryParameterWorkspaceNegotiator.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Drupal\workspaces\Negotiator;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Defines the query parameter workspace negotiator.
+ */
+class QueryParameterWorkspaceNegotiator extends SessionWorkspaceNegotiator {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function applies(Request $request) {
+    return is_string($request->query->get('workspace')) && parent::applies($request);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getActiveWorkspace(Request $request) {
+    $workspace_id = $request->query->get('workspace');
+
+    if ($workspace_id && ($workspace = $this->workspaceStorage->load($workspace_id))) {
+      $this->setActiveWorkspace($workspace);
+      return $workspace;
+    }
+
+    return NULL;
+  }
+
+}