In order to complete this integration you need to be sure that you are fitting with the prerequisite below :
Zoho One Account: Admin access
MPAS access: SSO metadata
Domain Verification: Your domain must be verified in Zoho One for SSO configuration.
- On your default dashboard, go on the top right corner close to your profile button and click on the "Gear"

- Select the application "Desk"
- In the category "Channels" select "Help Center"
- Enter your domain and select "User authentication" on the left
- Now you can choose between SAML and JWT. for the rest of the guide we are going to choose SAML
- to complete this field you need to find the metadata provided by MPAS.
- Select you deployment, and then click on "Admin console"
- Click on "Clients" and click on "Create Client"
- Now you need to complete each field with the right information based on Zoho One and MPAS.
- Client type - Choose SAML
- Client ID - Check on Zoho One, it is the Entity ID - portal.kzero.com
- Name - zoho
- Description
- Always display in UI - Turn On
- Click on Next and complete the different fields
- Home URL - https://ca.auth.kzero.com/realms/global/protocol/saml/clients/zoho
- Valid redirect URIs - based on the link provided by Zoho One
- Valid post logout redirect URIs - https://ca.auth.kzero.com/realms/global/protocol/openid-connect/logout?redirect_uri=https%3A%2F%2Fdesk.zoho.com%2Fportal%2Fdeccanpl%2F
- IDP-Initiated SSO URL name - zoho
- Complete then next fields accordingly to the next screenshot
- Go on the "Keys" section :
- Go on the "Advanced" section
Assertion Consumer Service POST Binding URL - Paste the redirect URI