Remap right cmd key to backspace (macos)

com.startup.startup.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>EnvironmentVariables</key>
    <dict>
      <key>PATH</key>
      <string>/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:</string>
    </dict>
    <key>Label</key>
    <string>com.startup.startup</string>
    <key>ProgramArguments</key>
    <array>
    <string>/Users/rreaves/startup.sh</string>
    </array>
    <key>RunAtLoad</key>
    <true/>
    <key>KeepAlive</key>
    <false/>
    <key>LaunchOnlyOnce</key>
    <true/>
    <key>StandardErrorPath</key>
    <string>/tmp/startup.startup.stderr</string>
    <key>UserName</key>
    <string>rreaves</string>
    <key>GroupName</key>
    <string>admin</string>
    <key>InitGroups</key>
    <true/>
  </dict>
</plist>

startup.sh

#!/bin/bash

# vi ~/startup.sh
# chmod +x ~/startup.sh
# vi ~/Library/LaunchAgents/com.startup.startup.plist

hidutil property --set '{"UserKeyMapping":
    [{"HIDKeyboardModifierMappingSrc":0x7000000e7,
      "HIDKeyboardModifierMappingDst":0x70000002a}]
}'