diff --git a/packages/core/src/installation/index.ts b/packages/core/src/installation/index.ts
index e1d299a2..e7f26256 100644
--- a/packages/core/src/installation/index.ts
+++ b/packages/core/src/installation/index.ts
@@ -1,6 +1,6 @@
+import z from "zod";
 import path from "path";
 import { $ } from "bun";
-import z from "zod";
 import { Bus } from "../bus/index.js";
 import { Log } from "../utils/log.js";
 import { NamedError } from "../utils/error.js";
diff --git a/packages/core/src/session/index.ts b/packages/core/src/session/index.ts
index 43ec3a33..5239c27c 100644
--- a/packages/core/src/session/index.ts
+++ b/packages/core/src/session/index.ts
@@ -98,9 +98,9 @@ export namespace Session {
       id: input.id,
       // room: input.room || undefined,
       machine: input.machine,
-      relayUrl: input.relayUrl,
       retry: input.retry || undefined,
       queue: input.queue || undefined,
+      relayUrl: input.relayUrl || undefined,
       description: input.description || undefined,
       maxDuration: input.maxDuration || undefined,
       resolution: input.resolution || undefined,
diff --git a/packages/core/src/session/session.sql.ts b/packages/core/src/session/session.sql.ts
index be2c7ac6..0f513b12 100644
--- a/packages/core/src/session/session.sql.ts
+++ b/packages/core/src/session/session.sql.ts
@@ -38,7 +38,7 @@ export const sessionTable = pgTable("sessions", {
     .notNull()
     .default("ns3-micro"),
   maxDuration: integer("max_duration"),
-  relayUrl: varchar("relay_url", { length: 500 }).notNull(),
+  relayUrl: varchar("relay_url", { length: 500 }),
   resolution: varchar("resolution", {
     length: 20,
   }).$type<ScreenResolutionPresetName>(),
diff --git a/packages/core/src/session/types.ts b/packages/core/src/session/types.ts
index 3305fdd6..26937446 100644
--- a/packages/core/src/session/types.ts
+++ b/packages/core/src/session/types.ts
@@ -135,14 +135,10 @@ export const SessionInfo = z
       example: Examples.Session.maxDuration,
     }),
     /** Nestri relay URL for streaming and signaling */
-    relayUrl: z
-      .url()
-      .optional()
-      .meta({
-        description: "Nestri relay URL for streaming and signaling",
-        example: Examples.Session.relayUrl,
-      })
-      .default("https://relay.nestri.io"),
+    relayUrl: z.url().optional().meta({
+      description: "Nestri relay URL for streaming and signaling",
+      example: Examples.Session.relayUrl,
+    }),
     /** Display or stream resolution in 'WxH' format */
     resolution: ScreenResolutionPresetName.optional().meta({
       description: "Display or stream resolution in 'WxH' format",
diff --git a/packages/core/src/utils/log.ts b/packages/core/src/utils/log.ts
index 2476d222..3e76bcb4 100644
--- a/packages/core/src/utils/log.ts
+++ b/packages/core/src/utils/log.ts
@@ -12,7 +12,7 @@ type Tags = {
 export namespace Log {
   const ctx = Context.create<{
     tags: Record<string, any>;
-  }>();
+  }>("Log");
 
   export const Level = z
     .enum(["DEBUG", "INFO", "WARN", "ERROR"])
diff --git a/packages/sdk/examples/test.ts b/packages/sdk/examples/test.ts
index 83b2b81a..521a0cfb 100644
--- a/packages/sdk/examples/test.ts
+++ b/packages/sdk/examples/test.ts
@@ -9,13 +9,12 @@ const myTestSession = session({
   framerate: 60,
   audioBitrate: 128,
   gpuCardPath: "/dev/dri/renderD128",
-
   run: async (payload) => {
     console.log("Running test session with payload:", payload);
     return { message: "Test session completed" };
   },
 });
 
-myTestSession.start().then((result) => {
+myTestSession.start({}).then((result) => {
   console.log("Session result:", result);
 });
diff --git a/packages/sdk/src/index.ts b/packages/sdk/src/index.ts
index 4ce5226c..22c1ebb4 100644
--- a/packages/sdk/src/index.ts
+++ b/packages/sdk/src/index.ts
@@ -1,10 +1,15 @@
 import { Session } from "@nestri/core/session/index";
 
+type StartOptions = {
+  memberID: string;
+  userID: string;
+};
+
 // Simple session creation function using our clean Session types
 export function createSession(config: Session.Config): Session.Session {
   const session: Session.Session = {
     description: config.description,
-    start: async (payload: any) => {
+    start: async (payload: any, options: StartOptions) => {
       console.log(
         `Starting session ${config.description} with payload:`,
         payload,