RealTimeUpdate(family,column,value,columnUpdate,valueUpdate)

; As in our RealTime() example, we can update the record like so:
exten => 123,1,RealTimeUpdate(sipusers,ext,5678,firstname,Richard)
; resulting SQL command:
; UPDATE sip_users SET firstname = 'Richard' WHERE ext = '5678'

  -= Info about application 'RealTimeUpdate' =- 

[Synopsis]
Realtime Data Rewrite

[Description]
Use the RealTime config handler system to update a value
RealTimeUpdate(<family>|<colmatch>|<value>|<newcol>|<newval>)

The column <newcol> in 'family' matching column <colmatch>=<value> will be
updated to <newval>.  REALTIMECOUNT will be set with the number of rows
updated or -1 if an error occurs.

11,13c11
< The column <newcol> in 'family' matching column <colmatch>=<value> will be
< updated to <newval>.  REALTIMECOUNT will be set with the number of rows
< updated or -1 if an error occurs.
---
> The column <newcol> in 'family' matching column <colmatch>=<value> will be updated to <newval>