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-rwxr-xr-xdoc/README.variables1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/README.variables b/doc/README.variables
index 8c2d83cb9..8a6a3e201 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -39,6 +39,7 @@ ${CHANNEL} Current channel name
${ENV(VAR)} Environmental variable VAR
${EPOCH} Current unix style epoch
${DATETIME} Current date time in the format: YYYY-MM-DD_HH:MM:SS
+${UNIQUEID} Current call unique identifier
There are two reference modes - reference by value and reference by name.
To refer to a variable with its name (as an argument to a function that