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+# MSC4043: Presence Override API
+
+In current matrix there exists no mechanism that is reliable to override the supposed to exist totem pole
+for presence. Where more important states overrule less important ones. This proposal fixes that.
+
+This proposal proposes a new API that you can call to set a authoritative presence state for your account. This
+state is always used negating all other ways to set presence. So if you set your state to `disabled` from
+[MSC4042](https://github.com/matrix-org/matrix-spec-proposals/pull/4042) then well then your state would always be `disabled`.
+
+Using a new API for this instead of recycling some old method does come at the benefit of that this just works.
+
+No existing code can mess up and use this wrong to effectively ruin the whole point of this system because its new.
+
+Being able to set your authoritative presence state is seen as beneficial due to that it allows users to have full
+control over their presence status instead of having to rely on all clients on their account collaborating to not
+ruin the intention of the user.
+
+## Proposal
+
+To set a new presence override you call the new `/_matrix/client/v1/presence/{userId}/override` endpoint
+using a PUT request. Using a payload that can look like the example below.
+
+```json
+{
+  "presence_override": "online"
+}
+```
+
+The `presence_override` key used is whatever you want to force your presence to be.
+
+If you want to ask for what your current override is you simply make a GET request to the same endpoint.
+
+And you will get back a response that is like the example below if your override is `offline`.
+
+```json
+{
+  "presence_override": "offline"
+}
+```
+
+And to disable override you send a payload with a empty `presence_override` key like the example below.
+
+```json
+{
+  "presence_override": ""
+}
+```
+
+As for error codes this is currently WIP but it follows a similar pattern to the current `/_matrix/client/v3/presence/{userId}/status`
+endpoint. With minor reasonable adaptations like how presence is replaced with presence override where sensible.
+
+## Potential issues
+
+Other than this functionality being duplicate the author does not foresee any potential issues other than
+that clients that don't support this feature will not be able to set the override status for the user.
+
+## Alternatives
+
+There are talks about that certain existing presence mechanisms might have this as their intended functionality but
+as is addressed at the top of this proposal they have a viability problem in the fact that they are all existing
+mechanisms. Existing mechanisms being reused can lead to clients with bad implementations misusing them
+causing the mechanism to be rendered useless.
+
+A completely new API comes with the benefit that no legacy implementations can ruin everyone's experience.
+
+## Security considerations
+
+This proposal should not as far as the author is aware have security implications that are negative. The primary
+positive effect is privacy related not strictly security in that users can cloak their presence state reliably.
+
+## Unstable prefix
+
+While this proposal is unstable instead of using `/_matrix/client/v1/presence/{userId}/override` you use
+`/_matrix/client/unstable/support.feline.msc4043.v1/presence/{userId}/override`
+
+And unstable feature flag used is `support.feline.msc4043.v1`
+
+## Dependencies
+
+This MSC has MSC4042 as a soft dependency as its a very useful state to override to.
+This MSC has no hard dependencies and can be used on its own and merged on its own.