diff --git a/Notify_office365.md b/Notify_office365.md
index 675a03d..fabcfec 100644
--- a/Notify_office365.md
+++ b/Notify_office365.md
@@ -27,12 +27,13 @@ You will need to have a valid Microsoft Personal Account AND you will require Ad
 
 ## Syntax:
 
-- `o365://{account_email}/{tenant_id}/{client_id}/{client_secret}/`
-- `o365://{account_email}/{tenant_id}/{client_id}/{client_secret}/{targets}`
+- `o365://{source}/{tenant_id}/{client_id}/{client_secret}/`
+- `o365://{source}/{tenant_id}/{client_id}/{client_secret}/{targets}`
 
 ### Parameter Breakdown
 | Variable    | Required | Description
 | ----------- | -------- | -----------
+| source     | Yes      | The **Email** OR the **ObjectID associated with your Azure Account you whish to send the email from.
 | tenant_id     | Yes      | The **Tenant ID** Associated with your Azure Application you created. This can also be referred to as your **Directory ID**.
 | account_email    | Yes     | The **Email** Associated with your Azure account.
 | client_id    | Yes     | The **Client ID** (also referred to as an Application ID) associated with your Azure Application you created. This can also be referred to as your **Application ID**.