public function store(Request $request)
store Function : Through store Function Campaign data is saved in campaign table
public function lookup(Request $request)
Lookup Function: Lookup Function generates the Campaign Report
public function show(Campaign$campaign)
Show Function : In the View Mode of Campaign form, the Show function displays all details of the Campaign form.
public function edit(Campaign $campaign)
edit Function : You can edit the entire details of the Currency form when editing in edit mode by using the Edit Function
public function destroy(Campaign$campaign)
destroy Function : The Destroy Function allows the deletion of all Campaign form details
public function validation($request, $id = null)
validation Function : Data is validated before saving using this function.