toxbootProjectionBuild builds a list that determined which fields
are returned.
toxbootProjectionBuild(fields, id_val = 0L)string vector, fields to return.
integer 0L or 1L. By default 0L, which will suppress Object_ID from the projection. This unique ID is often not needed. Can be set to 1L to include in projection.
projection, a named list where names are the fields to return in the projection and the values are 0L (don't return) or 1L (return).