How to Upload Files to SharePoint from Business Central Using AL and Microsoft Graph API
How to Upload Files to SharePoint from Business Central Using AL and Microsoft Graph API Uploading documents from Business Central to SharePoint is a common requirement for businesses aiming to streamline document management. Microsoft Graph API provides an efficient way to integrate these services. This blog explains the implementation using AL code. Overview We'll demonstrate how to: Authenticate using OAuth2. Prepare file content in Business Central. Upload the file directly to SharePoint using the Microsoft Graph API. Step-by-Step Explanation 1. Authentication To communicate securely with SharePoint, you must obtain an OAuth token: procedure GetOAuthToken() AuthToken: SecretText var ClientID: Text; ClientSecret: Text; TenantID: Text; AccessTokenURL: Text; OAuth2: Codeunit OAuth2; Scopes: List of [Text]; begin ClientID := 'your-client-id'; ClientSecret := 'your-client-secret'; TenantID := 'your-tenant-id'; ...