FILTER 4DAn adjoint-free four-dimensional variational data

filter 4dOBJECT SET FILTER can be used for input and dialog forms and can be applied to fields and enterable variables that accept an entry filter in the DesnAllows to query the data in a dataclass or method (e.g., $filter=firstName!='' AND salary>30000) This parameter allows you to define the filter for your dataclass or method. A filter is composed