Giving Permissions for the Registered Application

Prerequisites

You must first register the application in the Azure Active Directory. See Registering a New Application in Azure Active Directory

To give user permissions for the registered native or Web app/API application in Azure Active Directory:

Select the application from the list in the App registrations pane.
The registered application pane and the Settings pane opens.
To delegate permissions, in the Settings pane, under API ACCESS select Required Permissions.
1. To add the required permissions, in the Required Permissions pane, click Add.
1. In the Add API access pane, click Select an API.
2. In the Select an API pane, select Dynamics CRM Online (Microsoft CRM).
3. Click Select. When this step is completed, a green tick mark appears beside Select an API .
4. In the Add API access pane, for Select permissions, in the Enable Access pane, select Delegated Permissions and Access CRM Online as organization users check boxes.
5. Click Select. When this step is completed, a green tick mark appears beside Select permissions. Click Done.
Dynamics CRM Online (Microsoft CRM) is now added to the list in the Required Permissions pane.
To grant the delegated permissions, in the Required Permissions pane, click Grant Permissions.

Click Yes.

A message that you have successfully granted permission for the registered application is displayed.