# How to add EXT-X-SESSION-KEY in playlist.m3u8 for iOS FPS offline playback?

**URL:** <https://community.wowza.com/t/how-to-add-ext-x-session-key-in-playlist-m3u8-for-ios-fps-offline-playback/54198>\
**Category:** Wowza Streaming Engine\
**Created:** [November 18, 2019, 7:36am UTC](https://community.wowza.com/t/how-to-add-ext-x-session-key-in-playlist-m3u8-for-ios-fps-offline-playback/54198 "2019-11-18T07:36:33Z")\
**Posts on this page:** 1\
**Showing post:** 1

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**Author:** ![Harshal\_Khairnar](https://avatars.discourse-cdn.com/v4/letter/h/5e9695/32.png) [@Harshal\_Khairnar](https://community.wowza.com/u/Harshal_Khairnar)\
**Post date:** [November 18, 2019, 7:36am UTC](https://community.wowza.com/t/how-to-add-ext-x-session-key-in-playlist-m3u8-for-ios-fps-offline-playback/54198/1 "2019-11-18T07:36:33Z")

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I’m trying to enable offline playback of DRM protected content on iOS devices. as per apple documentation it requires **EXT-X-SESSION-KEY** tag in playlist to persist / pre-fetch all the keys

can anyone help me how to set this up in wowza streaming engine?

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