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<h1 id="server-notices"><a class="header" href="#server-notices">Server Notices</a></h1>
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<p>The API to send notices is as follows:</p>
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<pre><code>POST /_synapse/admin/v1/send_server_notice
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</code></pre>
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<p>or:</p>
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<pre><code>PUT /_synapse/admin/v1/send_server_notice/{txnId}
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</code></pre>
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<p>You will need to authenticate with an access token for an admin user.</p>
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<p>When using the <code>PUT</code> form, retransmissions with the same transaction ID will be
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ignored in the same way as with <code>PUT /_matrix/client/r0/rooms/{roomId}/send/{eventType}/{txnId}</code>.</p>
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<p>The request body should look something like the following:</p>
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<pre><code class="language-json">{
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"user_id": "@target_user:server_name",
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"content": {
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"msgtype": "m.text",
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"body": "This is my message"
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}
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}
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</code></pre>
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<p>You can optionally include the following additional parameters:</p>
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<ul>
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<li><code>type</code>: the type of event. Defaults to <code>m.room.message</code>.</li>
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<li><code>state_key</code>: Setting this will result in a state event being sent.</li>
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</ul>
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<p>Once the notice has been sent, the API will return the following response:</p>
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<pre><code class="language-json">{
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"event_id": "<event_id>"
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}
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</code></pre>
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<p>Note that server notices must be enabled in <code>homeserver.yaml</code> before this API
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can be used. See <a href="../server_notices.html">the server notices documentation</a> for more information.</p>
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