(mozilla-projects-nss-reference-fc-closesession)= # FC_CloseSession ## [Name](#name) :::{container} FC_CloseSession - close a session opened between an application and a token. ::: ## [Syntax](#syntax) :::{container} ```{code} CK_RV FC_CloseSession( CK_SESSION_HANDLE hSession ); ``` ::: ## [Parameters](#parameters) :::{container} `hSession` : [in] the session handle to be closed. ::: ## [Description](#description) :::{container} `FC_CloseSession` closes a session between an application and a token. A user may call `FC_CloseSession` without logging into the token (to assume the NSS User role). ::: ## [Return value](#return_value) ## [Examples](#examples) ## [See also](#see_also) :::{container} - {ref}`mozilla_projects_nss_reference_fc_opensession` :::