`pv.get(...)` returns `$null` if requested pseudo-variable isn't set. To prevent this one could use `pv.gete(...)`, which is available since kamailio 5.2.x.
@@ -644,7 +644,7 @@ Note: functions exported by Kamailio's `pv` module are in `KSR.pvx` package.
`xval KSR.pv.get(str "pvname")`
-Return the value of pseudo-variable `pvname`. The returned value can be string or integer.
+Return the value of pseudo-variable `pvname`. The returned value can be string, integer or null (if pseudo-variable isn't set or `$null`).
Example:
Jonas