Please configure following URL's on client site server-(Depend on client requirement UAT/Live)

ACS URL -{CompanyCode}

Audience URI -

Set Name Id Format - Email Address 

Post that configuration from client side please share this to us

1. IDP Sso URL

2. IDP Issuer URL

3. X.509 Certificate (Base 64 Encoding format using SHA-256 Algorithm) .cer file

4. List of NameID's (Email Address) with respective Employee Codes

This will be login URL-{CompanyCode}