Exchange 2013 stop meeting forward notifications from being sent

I'm trying to stop the Meeting forward notifications from being sent on a single user.
When Running the following command in the exchange powershell console;

Set-MailboxCalendarSettings -Identity useralias -RemoveForwardedMeetingNotifications $true

The following error is returned;

Set-MailboxCalendarSettings : The term 'Set-MailboxCalendarSettings' is not recognized as the name of a cmdlet,
function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the
path is correct and try again.

Does anyone know how to do this in exchange 2013? Is it a different command?
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Raheman M. AbdulSenior Infrastructure Support Analyst & Systems DeveloperCommented:
Check that you have the following permissions to run the cmdlet:

Exchange Organization Administrator role

Organization Management
Recipient Management

Hope you are using Exchange Management Shell to run the cmdlet

Otherwise try:
Set-CalendarProcessing -Identity username -RemoveForwardedMeetingNotifications $True

Else refer this:

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MattyS82Author Commented:
Set-CalendarProcessing -Identity username -RemoveForwardedMeetingNotifications $True worked for me, thanks
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