$esxcli.storage.core.adapter.rescan()------> Examples

We are unable to execute the rescan from PowerCLI command Promt,

$esxcli=Get-EsxCLI -VMHost <HostName>

$esxcli.storage.core.adapter.rescan(--all,-F,-T,delete)

But we are getting the errors.

If any one knows about tis issue ,Plz help me