# File lib/hammer_cli_csv/base.rb, line 249
    def foreman_filter(role, resource, search)
      search = nil if search && search.empty?
      filters = @api.resource(:filters).call(:index, {
                                               :per_page => 999999,
                                               'search' => "role=\"#{role}\""
                                             })['results']
      filters.each do |filter|
        return filter['id'] if filter['resource_type'] == resource && filter['search'] == search
      end

      nil
    end