This function copies variables into map d. The keys in the map are the names of the variables and the values in the map are the values of the variables.

Returns the number of copied variables.

Note: MSG_CALL_ variables are written into the map even if they are not created. See examples.

Parameters

Parameter	Description
a	(optional) Regular expression . If a variable name matches this expression, the variable is written into the map. If the parameter remains empty, all variables are written into the map.
b	(optional) Prefix to cut off.
c	(optional) New prefix to add instead of b. Only works if a value is specified in b.
d	Name of the map.

Examples

Parameter a	Parameter b	Parameter c	Parameter d
			mymap
^MSG_CALL_HEADER_HTTP_.*	MSG_CALL_HEADER_HTTP_	REQUEST_HTTP_HEADER_	mymap