Description
Extracts the value from a specified query string parameter for a url field.
Syntax
ExtractQueryStringParam(url, param_name)
Arguments
url - url string expression
param_name - string expression indicating the parameter to extract
Examples
ExtractQueryStringParam('http://someurl/?origin=135&target=example', 'origin')
returns: '135'
ExtractQueryStringParam('http://someurl/?origin=135&origin=246,id=321', 'origin')
returns: '135,246,id=321'
Return value datatype
String
Impact of null value
If any (or all) inputs are null, returns null.