Reply To: Make "Send Message" and "Reply" button show spinner animation on send. Home › Forums › Front End PM PRO › Make "Send Message" and "Reply" button show spinner animation on send. › Reply To: Make "Send Message" and "Reply" button show spinner animation on send. March 21, 2018 at 10:26 am #12447 Shamim HasanKeymaster This plugin uses one time key. So it will send only one message at a time. If you click multiple times also, only one message will be sent.