I have a large sheet with around 30 importxml functions that obtain data from a website that updates usually twice a day.
I would like to run the
To answer your question for an easy "trigger" to force the function to reload:
add an additional not used parameter to the url you are loading, while referencing a cell for the value of that parameter. Once you alter the content of that cell, the function reloads.
example:
importxml("http://www.example.com/?noop=" & $A$1,"...")
unfortunately you cannot put a date calculating function into the referenced cell, that throws an error that this is not allowed.