Hi,
Could you please provide more details about your question? Here you have link with useful information about the licenses in the Cat3850 series.
http://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/3se/system_management/configuration_guide/b_sm_3se_3850_cg/b_sm_3se_3850_cg_chapter_0100.html
Regards.
- Omar
