yams.plist

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN"
   "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>Label</key>
        <string>com.berulacks.yams</string>
        <key>ProgramArguments</key>
        <array>
            <string>/usr/local/bin/python3</string>
            <string>-m</string>
            <string>yams</string>
            <string>-N</string>
            <string>--keep-alive</string>
            <!--
            Optional, use YAMS directly:
            <string>/Users/<your_user_name>/Library/Python/<version>/bin/yams</string>
            -->
        </array>
        <key>RunAtLoad</key>
        <true />
        <!--
        Optional, uncomment these to debug the launchd process:
        <key>StandardInPath</key>
        <string>/tmp/yams/launchd.stdin</string>
        <key>StandardOutPath</key>
        <string>/tmp/yams/launchd.stdout</string>
        <key>StandardErrorPath</key>
        <string>/tmp/yams/launchd.stderr</string>
        -->
    </dict>
</plist>