# Case subject consent for extended sharing

The user can opt in or out of *Extended* data sharing during [case creation](/emedgene/emedgene-analyze-manual/launching-analysis.md) based on the patient's consent. This is a mandatory field that cannot be edited later via edit case flow.

![](/files/f8DF1f30kErOyEsxVtrp)

A case with *Extended* data sharing consent will share both [*Restricted*](/emedgene/emedgene-analyze-manual/analyze_network/network_sharing_configuration.md) [fields](/emedgene/emedgene-analyze-manual/analyze_network/network_sharing_configuration.md) and [*Extended*](/emedgene/emedgene-analyze-manual/analyze_network/network_sharing_configuration.md) [fields](/emedgene/emedgene-analyze-manual/analyze_network/network_sharing_configuration.md) in the [*Related Cases tab*](/emedgene/emedgene-analyze-manual/variant_page/related_cases_section.md) of the *Variant page*, whereas a case without consent will only share *Restricted* fields. Whether a field is *Restricted* or *Extended* is defined by the network setup.

***Notes:***

* In the [*Add new case*](/emedgene/emedgene-analyze-manual/launching-analysis.md) UI, default case subject consent for *Extended* data sharing is set to “Yes”, except for cases that ran on platform versions 31 and earlier.
* When using API to create cases, the `sharing_level` field is used to indicate whether the case subject consented to *Extended* data sharing. Valid inputs include: `restricted` and `extended`. If not specified, the default value is `restricted`.


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