Subject Alternative Name Field - how to!?

Subject Alternative Name Field - how to!?

Hello

I tried to generate certificate for PMP server/application using keytool.exe (java).
I would like to know how to do this to have  few Subject Alternative Names (SAN) fields.
When I generate certificate from Windows Snap MMC it is possible to type few SAN fields and my question is how to do this using keytool.exe ?

Urgent!!!! 
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