Instead of exporting all patients, you can select a group and only work with patients within that group.
You can filter the data and only include resources that have been modified after the specified date.
Coma-separated list of FHIR elements to be included. Example: meta,Patient.birthDate.
Some required elements are always included. Leave empty to include everything.
Coma-separated list of patient IDs. When provided, the server SHALL NOT return resources in the
patient compartments belonging to patients outside of this list.
Currently only the _filter parameter is supported