# 6.1. Advanced Credential Group Configuration

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Creating issuer account is so easy as just 1 single step

Credential Expiration period: You can put expiration to your credentials (1 to 10 years/no expiry)

Credential Duplication: You can control the credential group by preventing credential duplication sent to same recipient twice or more. This prevent all recipient from getting not more than 1 credential from same group

Email Notification Control: You can turn on/off email notification while issuing the credential.

Accept Reviews from Earners: This allows recipient to add feedback to your credential group right from the email notification.

Email Template: Lets you customize your email body content.

To learn how to Customize Email Template. Click below link.

Credential Earner Default Privacy: This allows credential to be issued on private/public mode.
If Issued on private, the recipient wont be able to access/share credential without logging in.

Group Public Listing: This allows credential to be publicly visible on the issuer showcase page.

Blockchain Security: This allows credential to be issued with high security with the power of blockchain.