Consent APIs

Follow the steps below

• Open the SharePoint app catalog. Open the link https://{your-tenant-name}-admin.sharepoint.com/_layouts/15/online/ManageAppCatalog.aspx. Please replace “{your-tenant-name}” with the tenant’s name
• Select the Staff Check In-Out package > Click the deploy button in the ribbon. In the popup appearing, check the “Make this solution available to all sites in the organization” checkbox & click the deploy button
  
• To consent with the app, follow the steps below
  • Open the page with admin permission: https://login.microsoftonline.com/common/adminconsent?client_id=4f79179e-7a76-4812-86b2-b869b3be1dad
  • Login & click the Accept button. After clicking the Accept button, close the page (Ignore any error displays)
    
• Open the API access to approve all permissions request of the app
  • Open the SharePoint admin page > Advanced > API Access
    
  • Select the request & click the approve button