How to set ArrAffinity cookie SameSite attribute to None for Azure App Service with web.config

<system.webServer>

  <rewrite>

    <outboundRules>

      <rule name="Add SameSite Cookie Flag to ArrAffinity cookie" enabled="true">

        <match serverVariable="RESPONSE_Set_Cookie" pattern=".*" />

        <!--pattern="ARRAffinity=.*\/;.*"-->

        <conditions>

          <!-- <add input="{R:0}" pattern="SameSite=(Lax|Strict|None)" ignoreCase="true" negate="true" /> -->

          <add input="{R:0}" pattern="ARRAffinity=(.*)" ignoreCase="true" negate="true" />

          <add input="{HTTP_USER_AGENT}" pattern="Macintosh; Intel Mac OS X 10_14.+Version/.*Safari" ignoreCase="true" negate="true" />

          <add input="{HTTP_USER_AGENT}" pattern="CPU iPhone OS 12" ignoreCase="true" negate="true" />

          <add input="{HTTP_USER_AGENT}" pattern="iPad; CPU OS 12" ignoreCase="true" negate="true" />

        </conditions>

        <action type="Rewrite" value="{HTTP_COOKIE};Path=/;HttpOnly;SameSite=None;secure" />

      </rule>

    </outboundRules>

  </rewrite>

</system.webServer>

Credit to Clover Zhang @Microsoft.