Hi @razengaan ,
Let say you have stored full URL ( www.example.com/dynamiclink/deep?token=a12wsd3d4g67h7yy) as alias @url, then use an enrichment and use the below expression,
Substring(@url,Charindex(@url,'token' ) , Length(@url))
and give alias as @token
The output of @token will be token=a12wsd3...