diff --git a/crm/api/__init__.py b/crm/api/__init__.py
index f0909118..9b282a45 100644
--- a/crm/api/__init__.py
+++ b/crm/api/__init__.py
@@ -2,7 +2,6 @@ from bs4 import BeautifulSoup
 import frappe
 from frappe.translate import get_all_translations
 from frappe.utils import cstr
-from frappe.utils.telemetry import POSTHOG_HOST_FIELD, POSTHOG_PROJECT_FIELD
 
 
 @frappe.whitelist(allow_guest=True)
@@ -47,11 +46,13 @@ def get_user_signature():
 		content = f'<br><p class="signature">{signature}</p>'
 	return content
 
-@frappe.whitelist()
-def get_posthog_settings():
-	return {
-		"posthog_project_id": frappe.conf.get(POSTHOG_PROJECT_FIELD),
-		"posthog_host": frappe.conf.get(POSTHOG_HOST_FIELD),
-		"enable_telemetry": frappe.get_system_settings("enable_telemetry"),
-		"telemetry_site_age": frappe.utils.telemetry.site_age(),
-	}
\ No newline at end of file
+
+def check_app_permission():
+	if frappe.session.user == "Administrator":
+		return True
+
+	roles = frappe.get_roles()
+	if any(role in ["System Manager", "Sales User", "Sales Manager", "Sales Master Manager"] for role in roles):
+		return True
+
+	return False
\ No newline at end of file
diff --git a/crm/hooks.py b/crm/hooks.py
index ce6f23e8..e53fc8aa 100644
--- a/crm/hooks.py
+++ b/crm/hooks.py
@@ -18,7 +18,7 @@ add_to_apps_screen = [
 		"logo": "/assets/crm/manifest/apple-icon-180.png",
 		"title": "CRM",
 		"route": "/crm",
-		# "has_permission": "crm.api.permission.has_app_permission"
+		"has_permission": "crm.api.check_app_permission",
 	}
 ]