How to Implement Seamless SSO from SPFx to a Third-Party App in the Same Azure AD Tenant?

[harshdamaniahd]

What type of issue is this?

Question

What SharePoint development model, framework, SDK or API is this about?

💥 SharePoint Framework

Target SharePoint environment

SharePoint Online

What browser(s) / client(s) have you tested

• 💥 Internet Explorer
• 💥 Microsoft Edge
• 💥 Google Chrome
• 💥 FireFox
• 💥 Safari
• mobile (iOS/iPadOS)
• mobile (Android)
• not applicable
• other (enter in the "Additional environment details" area below)

Additional environment details

• browser version
• SPFx version
• Node.js version
• etc

Issue description

is it possible using spfx framework solution that needs to allow users to seamlessly authenticate to a third-party application hosted in the same Azure AD tenant. My goal is to enable true Single Sign-On (SSO) so that users are not prompted for login again when accessing the third-party app from the SPFx web part