chapter12.amp

%%[
    /* Declare variables */
    var @dateColumn, @datelater, @dateValue, @dataExtensionName
    var @attributeToSearch, @valueToSearch

    /* Set the name of the data extension to be used */
    set @dataExtensionName = "My_DataExtension"

    /* Set the attribute to search by in the data extension */
    set @attributeToSearch = {{attributeToSearch}} 

    /* Set the value to search for in the given attribute */
    set @valueToSearch = {{valueToSearch}} 

    /* Replace with the name of the date column to fetch */
    set @dateColumn = {{datecolumn}}  

    /* Fetch the date value from the data extension */
    set @dateValue = LookUp(@dataExtensionName, @dateColumn, @attributeToSearch, @valueToSearch)

    /* Validate if a value was returned */
    if not empty(@dateValue) then
        /* Add one day to the @dateValue value */
        set @datelater = DateAdd(@dateValue, 1, 'D')

        /* Output the new date value */
        OutputLine(concat("New Date: ", v(@datelater)))
    else
        /* Handle cases where no date is returned */
        OutputLine("No valid date found in the data extension.")
    endif
]%%