This folder contains a C# sample for interactive OAuth flow to acquire token to access Business Central:

Prerequisites:

Azure AD Application registration:

1. Sign into azure portal under tenant admin user, go to 'Azure Active Directory' - 'App registrations'

2. Click '+ New registration'. Provide a 'Name' for application, set 'Supported account types' to "Accounts in this organizational directory only". Click 'Register' button.

3. Setup API permissions for newly created application, go to 'API permissions':

   • In order to acquire tokens as user, i.e. impersonate somebody (used to call BC web services), add: 'Dynamics 365 Business Central' - 'Delegated permissions' - 'Financials.ReadWrite.All'

4. After permissions are added, click 'Grant admin consent for ...'. Status in the table of permissions shoud change to 'Granted'

5. Setup Redirect Uris:

   • For interactive flow it is required to setup default redirect Uri for .net core platform. Go to 'Authentication' - 'Platform configurations', click '+ Add a platform'. Choose 'Mobile and Desktop', enter 'http://localhost' as redirect Uri. Click 'Configure'.

Change values in Program.cs source file:

• Set ClientId in the module to registered application Client Id value
• Set TenantId in the module to Azure AD Tenant Id where Business Central is located

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