Is it possible to validate the deletion of data in custom SE16

Hi Guys,

To maintain a Z table ZCITY (Master Data), I created custom SE16 t-code ZSE16CITY (using SE93 - Transaction with parameters).

Is it possible to validate the deletion of data from ZCITY Table in custom SE16.

If ZCODE exists in any of the transaction table then deletion of the record is not allowed and display the message for user.

Is this functionality is doable in custom SE16 or I have to create a maintenance program using Dialog screen (SE51).

Thanks for you input.

mini