VARIABLE_EXISTS()¶

Synopsis¶

Check if a dialplan variable exists or not.

Since¶

18.21.0, 20.6.0, 21.1.0

Description¶

Returns '1' if channel variable exists or '0' otherwise.

Syntax¶

VARIABLE_EXISTS(varname)

Arguments¶

• varname - Channel variable name
  

See Also¶

• Dialplan Functions GLOBAL_EXISTS

Generated Version¶

This documentation was generated from Asterisk branch 22 using version GIT