Hi @nishchay0001,
Here are a couple links to assist in setting up parameters. The only options when using these though would be to set a fixed date or use a relative date:
In regards to customizing the options, I can mark this as a feature request to promote visibility to the support team.
Let us know if you have any additional questions. Otherwise, If we do not hear back within the next 3 business days, I’ll close out this topic.