I have been given some code that I requested that may work:

Code:
es_xset repeat_name ""
es_format repeat_name "aim_%1" event_var(userid)
es repeat create server_var(repeat_name) "es_setplayerprop  event_var(userid) CBasePlayer.m_fFlags 0"
Code:
es_xset repeat_name ""
es_format repeat_name "aim_%1" event_var(userid)
es_xset repeat_cmd ""
es_format repeat_cmd "es_setplayerprop %1 CBasePlayer.m_fFlags 0" event_var(userid)
es repeat create server_var(repeat_name) server_var(repeat_cmd)