The FDSNWS specification uses a weird definition of an offset where the first element is not addressed by 'offset=0' but 'offset=1'. So the implementation will decrement the offset value by one when generating the SQL database query. Adds pick information to arrivals. Note: Picks will only be available if arrivals are requested. Adds peferred focal mechanism information including momentensor solution if available. Adds all focal mechanism information including momentensor solution if available. Adds all momentensor station contributions. SeisComP supports comments for most datamodel objects. This parameter controls whether or not comments are included in the output document. Controls formatted (pretty print) output.