Feature summary (what you would like to be able to do and where):
Collect the summary/reason variable for the createaccount action in abusefilter

Use case(s) (list the steps that you performed to discover that problem, and describe the actual underlying problem which you want to solve. Do not describe only a solution):
Certain disruptive actions are making use of the reason input during account creation, however we are unable to write a filter to disallow this action as the data is not available

Benefits (why should this be implemented?):
By being able to target based on this value, disruption may be better detected or prevencted