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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 c70b11439..76438f716 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -43,6 +43,7 @@ ${DATETIME} Current date time in the format: YYYY-MM-DD_HH:MM:SS
${UNIQUEID} Current call unique identifier
${DNID} Dialed Number Identifier
${RDNIS} Redirected Dial Number ID Service
+${HANGUPCAUSE} Hangup cause on last PRI hangup
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