EXISTS(Variable
)
exten => 123,1,Set(Var1=test) exten => 123,n,Set(Var2=) exten => 123,n,Set(foo=${EXISTS(${Var1})}) ; foo ist 1 exten => 123,n,Set(foo=${EXISTS(${Var2})}) ; foo ist 0
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-= Info about function 'EXISTS' =-
[Syntax]
EXISTS(<data>)
[Synopsis]
Existence Test: Returns 1 if exists, 0 otherwise
[Description]
Not available