diff --git a/packages/sdk/src/index.ts b/packages/sdk/src/index.ts
index a3aa11a..7b5c80e 100644
--- a/packages/sdk/src/index.ts
+++ b/packages/sdk/src/index.ts
@@ -75,9 +75,15 @@ export class MermaidChart {
   public async getAuthorizationData({
     state,
     scope = ['email'],
+    trackingParams,
   }: {
     state?: string;
     scope?: string[];
+    trackingParams?: {
+      utm_source: string;
+      utm_medium: string;
+      utm_campaign: string;
+    }
   } = {}): Promise<AuthorizationData> {
     if (!this.redirectURI) {
       throw new Error('redirectURI is not set');
@@ -96,6 +102,13 @@ export class MermaidChart {
       state: stateID,
       codeVerifier,
       scope,
+      ...(trackingParams && {
+        extraParams: {
+          utm_source: trackingParams.utm_source,
+          utm_medium: trackingParams.utm_medium,
+          utm_campaign: trackingParams.utm_campaign,
+        }
+      }),
     });
 
     // Deletes the state after 60 seconds
@@ -253,4 +266,4 @@ export class MermaidChart {
     const raw = await this.axios.get<string>(URLS.raw(document, theme).svg);
     return raw.data;
   }
-}
+}
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