Get a return value from invoke-command

Hi

I'm calling invoke-command and need to get the "return value". I've tried to simplify it below but basically the invoke-command will return the status of a database. This piece of the script works. But I need to call this from outside the invoke-command and return the status back outside

Invoke-Command -ComputerName XXXX -ScriptBlock {
# There is a code here which ends up returning the database status ... 
$DatabaseStatus = "Online"
}

How do I return the value of $DatabaseStatus from the invoke-command so that I can continue processing it?

I was hoping that I could  $DBState = Invoke-Command ..... but it doesn't work - I realise that invoke-command is running on a remote machine and I don't know if you can pass output values of invoke-command back to the originating code? 

Thanks in advance

Graham

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