diff --git a/.changeset/funny-dolls-explode.md b/.changeset/funny-dolls-explode.md
new file mode 100644
index 00000000..d4d31ee4
--- /dev/null
+++ b/.changeset/funny-dolls-explode.md
@@ -0,0 +1,5 @@
+---
+"@hyperdx/common-utils": patch
+---
+
+feat: add session source and SourceKind enum
diff --git a/packages/api/src/models/source.ts b/packages/api/src/models/source.ts
index 2b0cfea3..fbc7ef04 100644
--- a/packages/api/src/models/source.ts
+++ b/packages/api/src/models/source.ts
@@ -47,6 +47,7 @@ export const Source = mongoose.model<ISource>(
       traceIdExpression: String,
       spanIdExpression: String,
       traceSourceId: String,
+      sessionSourceId: String,
 
       durationExpression: String,
       durationPrecision: Number,
diff --git a/packages/api/src/tasks/__tests__/checkAlerts.test.ts b/packages/api/src/tasks/__tests__/checkAlerts.test.ts
index 581f4702..15418159 100644
--- a/packages/api/src/tasks/__tests__/checkAlerts.test.ts
+++ b/packages/api/src/tasks/__tests__/checkAlerts.test.ts
@@ -161,7 +161,7 @@ describe('checkAlerts', () => {
       },
       source: {
         id: 'fake-source-id' as any,
-        kind: 'log',
+        kind: 'log' as any,
         team: 'team-123' as any,
         from: {
           databaseName: 'default',
diff --git a/packages/app/src/components/OnboardingModal.tsx b/packages/app/src/components/OnboardingModal.tsx
index 8ce9f891..f2f12a67 100644
--- a/packages/app/src/components/OnboardingModal.tsx
+++ b/packages/app/src/components/OnboardingModal.tsx
@@ -1,4 +1,5 @@
 import { useEffect, useState } from 'react';
+import { SourceKind } from '@hyperdx/common-utils/dist/types';
 import { Button, Divider, Modal, Text } from '@mantine/core';
 import { notifications } from '@mantine/notifications';
 
@@ -100,7 +101,7 @@ export default function OnboardingModal({
                 });
                 const traceSource = await createSourceMutation.mutateAsync({
                   source: {
-                    kind: 'trace',
+                    kind: SourceKind.Trace,
                     name: 'Demo Traces',
                     connection: 'local',
                     from: {
@@ -128,7 +129,7 @@ export default function OnboardingModal({
                 });
                 await createSourceMutation.mutateAsync({
                   source: {
-                    kind: 'log',
+                    kind: SourceKind.Log,
                     name: 'Demo Logs',
                     connection: 'local',
                     from: {
diff --git a/packages/app/src/components/SourceForm.tsx b/packages/app/src/components/SourceForm.tsx
index f2f80c27..a5266272 100644
--- a/packages/app/src/components/SourceForm.tsx
+++ b/packages/app/src/components/SourceForm.tsx
@@ -6,7 +6,7 @@ import {
   UseFormSetValue,
   UseFormWatch,
 } from 'react-hook-form';
-import { TSource } from '@hyperdx/common-utils/dist/types';
+import { SourceKind, TSource } from '@hyperdx/common-utils/dist/types';
 import {
   Anchor,
   Box,
@@ -27,6 +27,7 @@ import { useDebouncedCallback } from '@mantine/hooks';
 import { notifications } from '@mantine/notifications';
 
 import { SourceSelectControlled } from '@/components/SourceSelect';
+import { IS_SESSIONS_ENABLED } from '@/config';
 import { useConnections } from '@/connection';
 import {
   inferTableSourceConfig,
@@ -462,6 +463,12 @@ export function TraceTableModelForm({
       >
         <SourceSelectControlled control={control} name="logSourceId" />
       </FormRow>
+      <FormRow
+        label={'Correlated Session Source'}
+        helpText="HyperDX Source for sessions associated with traces. Optional"
+      >
+        <SourceSelectControlled control={control} name="sessionSourceId" />
+      </FormRow>
       <FormRow label={'Status Code Expression'}>
         <SQLInlineEditorControlled
           connectionId={connectionId}
@@ -550,7 +557,7 @@ export function TableSourceForm({
   const { watch, control, setValue, handleSubmit, resetField, formState } =
     useForm<TSource>({
       defaultValues: {
-        kind: 'log',
+        kind: SourceKind.Log,
         name: defaultName,
         connection: connections?.[0]?.id,
         from: {
@@ -608,7 +615,7 @@ export function TableSourceForm({
     resetField('connection', { defaultValue: connections?.[0]?.id });
   }, [connections, resetField]);
 
-  const kind = watch('kind');
+  const kind: SourceKind = watch('kind');
 
   const createSource = useCreateSource();
   const updateSource = useUpdateSource();
@@ -724,25 +731,22 @@ export function TableSourceForm({
             render={({ field: { onChange, value } }) => (
               <Radio.Group
                 value={value}
-                onChange={v => onChange(v as 'log' | 'trace')}
+                onChange={v => onChange(v)}
                 withAsterisk
               >
                 <Group>
-                  <Radio value="log" label="Log" />
-                  <Radio value="trace" label="Trace" />
+                  <Radio value={SourceKind.Log} label="Log" />
+                  <Radio value={SourceKind.Trace} label="Trace" />
+                  {IS_SESSIONS_ENABLED && (
+                    <Radio value={SourceKind.Session} label="Session" />
+                  )}
                 </Group>
               </Radio.Group>
             )}
           />
         </FormRow>
       </Stack>
-      {kind === 'log' ? (
-        <LogTableModelForm
-          control={control}
-          watch={watch}
-          setValue={setValue}
-        />
-      ) : (
+      {kind === SourceKind.Trace ? (
         <TraceTableModelForm
           // @ts-ignore
           control={control}
@@ -751,6 +755,12 @@ export function TableSourceForm({
           // @ts-ignore
           setValue={setValue}
         />
+      ) : (
+        <LogTableModelForm
+          control={control}
+          watch={watch}
+          setValue={setValue}
+        />
       )}
     </div>
   );
diff --git a/packages/app/src/config.ts b/packages/app/src/config.ts
index 1ba39976..c4fbea78 100644
--- a/packages/app/src/config.ts
+++ b/packages/app/src/config.ts
@@ -27,3 +27,5 @@ export const IS_LOCAL_MODE = //true;
 
 // Features in development
 export const IS_MTVIEWS_ENABLED = false;
+
+export const IS_SESSIONS_ENABLED = false || IS_DEV;
diff --git a/packages/common-utils/src/types.ts b/packages/common-utils/src/types.ts
index 05821a5d..b1585b8e 100644
--- a/packages/common-utils/src/types.ts
+++ b/packages/common-utils/src/types.ts
@@ -392,6 +392,11 @@ export const ConnectionSchema = z.object({
 // --------------------------
 // TABLE SOURCES
 // --------------------------
+export enum SourceKind {
+  Log = 'log',
+  Trace = 'trace',
+  Session = 'session',
+}
 export const SourceSchema = z.object({
   from: z.object({
     databaseName: z.string(),
@@ -401,7 +406,7 @@ export const SourceSchema = z.object({
   connection: z.string(),
 
   // Common
-  kind: z.enum(['log', 'trace']),
+  kind: z.nativeEnum(SourceKind),
   id: z.string(),
   name: z.string(),
   displayedTimestampValueExpression: z.string().optional(),
@@ -422,6 +427,9 @@ export const SourceSchema = z.object({
   traceIdExpression: z.string().optional(),
   spanIdExpression: z.string().optional(),
 
+  // Sessions
+  sessionSourceId: z.string().optional(),
+
   // Traces
   durationExpression: z.string().optional(),
   durationPrecision: z.number().min(0).max(9).optional(),