How to restrict the User on selecting the Date/Time more than 100 Days from the current date?

How to restrict the User on selecting the Date/Time more than 100 Days from the current date?

Dear All,

We have added a Date/Time Field namely "Duration of Service" in our Service request Template and we would like to add an exception with an alert message to the Requester that he/she couldn't able to select the date more that 100 Days and also stop the Requester to submit the form (i.e., Stop Form Submission).

Please let us know how can we achieve this requirement?

Regards,
Wajahath Farooq

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