Goto AWS IAM Identity Center > Applications

• Click "Add Application" and select "Custom Application (SAML 2.0)"

• Download and save the SP XML, see Features#DownloadSPXMLand/orSPcertificate
• Upload this xml file in "Configure Application" > "Upload application SAML metadata file"
• Copy the "IAM Identity Center SAML metadata file" url and use it to fill in the IDP url in the SAML plugin, see Features#UploadIdPXML

• Add attribute mappings (Actions menu)

• Assign users and groups