name: properties
in: query
description: |-
  Select specific data record fields (measured/observed properties) to be returned using a comma-separated list of field names.
  The field name must be one of the fields defined in the associated data resource's logical schema.

  Extensions may enable the use of complex expressions to support defining derived fields, potentially also
  including the possibility to use aggregation functons.

required: false
schema:
  type: string
