up:: PowerAutomate
Solved: Is there a way to concatenate arrays (not Union() ... - Power Platform Community
slice(string(body('Select_invoices_from_a_list')), 1, -1)
slice(string(body('Select_new_invoices')), 1, -1)
createArray(concat(outputs('Compose_-_convert_to_string_invoices_from_a_file'), ',' , outputs('Compose_-_convert_to_string_invoices_from_a_list')))