Defines meta data associated with external provided Mods. Defines meta data associated with external provided Mods. Defines pi_timeseries or pi_parameters file with MOD values. Defines meta data associated with external provided Mods. MOD ID e.g. RAINSNOW optional name start time of MOD, i.e. moment MOD kicks in end time of MOD MOD validDate, if validDate larger or equal to Now use the MOD for the entire period, elseif validDate smaller then Now set end date to valid date file containing MOD time series. Units can be specified inside the time series file, no file naming convention applies file containing parameter MOD. Note: parameter MODS need to be provided in Metric units. The naming convention for the file name has to be OPERATION_SEGMENTNAME_OPERATIONID