As I remember, the empty value of a variable is equivalent of unset variable. So, I think you can't test variable if it is empty at all пт, 11 дек. 2020 г. в 23:46, Carlos Eduardo <kaduww@gmail.com>:
Hey David,
Test with with this
expression="^.?$"
Regards...
Em sex., 11 de dez. de 2020 às 12:44, David Villasmil < david.villasmil.work@gmail.com> escreveu:
Hello all,
I'm trying to test the play_and_get_digits variable from here:
<action application="play_and_get_digits" data="1 1 1 3000 # '' silence_stream://250 dtmf_get \d 3000"/>
Like this:
<condition field="${dtmf_get}" expression="^$">
But it's always false...
How can I test for an empty (null?) variable?
Regards,
David Villasmil email: david.villasmil.work@gmail.com phone: +34669448337 _________________________________________________________________________
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