Hello @Dknight7 ,
which outputs are you getting from the "Compose" action?
I mean the following expression, that you're using, is correct:
length(outputs('Get_items')?['body/value'])
So, please check in a run the number in the Compose outputs. If it's equal to 0, like seen in the email body, it means that there's some filters in the "Get items" action.
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BR,
Marco