increment-revision.ps1

 # increment the revision based off the current revision number
 $newRevision = [int]$apiSpecification.ApiRevision + 1;

# now lets create an api revision
$newApiRevisionParams = @{
        Context = $apiManagementContext
        ApiId = $apiSpecification.ApiId
        ApiRevision = $newRevision 
        SourceApiRevision = $apiSpecification.ApiRevision
}
$newApiRevision = New-AzApiManagementApiRevision @newApiRevisionParams