Welcome to the Community,
what exactly are you trying to achieve and do you have the P4000 already set up!? Basically the P4000 only has an iSCSI network connection and you either need to configure an ESXi hosts with e.g. an iSCSI Software Initiator to access the P4000 or a virtual machine with an in-guest iSCSI Initiator.
If you let me know which VMware product you prefer to use, I will move this discussion to the appropriate forum.
André