# Filter by Identifier

### Description
Selects objects by the value of their identifier.

## Input
- `SOURCE [OBJ]`: The list of objects to filter
- `Values [STRING]` (optional): The list of identifiers to compare against

### Output
- `TRUE [OBJ]`: The objects for which the selection applies
- `FALSE [OBJ]`: The objects for which the selection does not apply

### Parameters
- `Value` (unless input `Values` is connected): the identifier to compare each object's identifier against
- `Operation`: comparison function to use (`equal`,`contains`,`startsWith`,`endsWith`)
- `Case-sensitive`: if set to `false`, upper/lower case is ignored

Output scores can be [aggregated](docs://score_aggregation) and/or [normalised](docs://score_normalisation).