AWS Powershell create a new instance with private IP

New-EC2Instance -ImageId ami-abcdefg123 -MinCount 1 -MaxCount 1 -KeyName Keypair -SecurityGroupId sg-abcdefg -InstanceType m1.small -SubnetId subnet-01bd1e76 How to add a private IP address to this instance? and I dont want a public IP address assigned to it.