Hello,
I have our Marketo instance set up to add leads to programs if they fill out forms on certain landing pages and I use the Querystring constraint, i.e. "Querystring is LeadSource=LinkedIn+Display"
![0EM50000000RmDX.jpg 0EM50000000RmDX.jpg](/t5/image/serverpage/image-id/8547i39CD5F53F25E3349/image-size/large?v=v2&px=999)
This logic works sometimes, but not always. Has anyone had a similar experience? Please help!