...
{
"clientid": "xxxxx",
"clientsecret": "xxxx",
"AuthorizationEndpoint": "https://login.microsoftonline.com/<Tenant_id>/oauth2/v2.0/authorize",
"TokenEndpoint": "https://login.microsoftonline.com/<Tenant_id>/oauth2/v2.0/token",
"UserNameClaim": "<custom user name claim>"
}
To avoid auto sign-in, add the following to the JSON.
"AuthorizationEndpoint": "https://login.microsoftonline.com/common/oauth2/v2.0/authorize?prompt=select_account"