# Signal Sidechains in VST3i: Not all hosts support it?

**URL:** <https://forums.steinberg.net/t/signal-sidechains-in-vst3i-not-all-hosts-support-it/736622>\
**Category:** VST 3 SDK\
**Tags:** compatibility, plugintesthost\
**Created:** [August 24, 2021, 9:36am UTC](https://forums.steinberg.net/t/signal-sidechains-in-vst3i-not-all-hosts-support-it/736622 "2021-08-24T09:36:38Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Arne\_Scheffler](https://dub1.discourse-cdn.com/steinberg/user_avatar/forums.steinberg.net/arne_scheffler/32/92023_2.png) [@Arne\_Scheffler](https://forums.steinberg.net/u/Arne_Scheffler)\
**Post date:** [August 24, 2021, 12:20pm UTC](https://forums.steinberg.net/t/signal-sidechains-in-vst3i-not-all-hosts-support-it/736622/2 "2021-08-24T12:20:28Z")

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That’s correct, not all hosts support sidechain inputs of an instrument (even Cubase did implemented it only recently). The thing you can do is to ask the host developers to implement this feature. Or as you already wrote add “Fx” to your subcategory of your plug-in so that it can be used as a FX plug-in.

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