Method: Process question form submission.

Action Hook: Action triggered before processing question form.

Filter Hook: Can be used to modify `$args` before updating question

Filter Hook: Can be used to modify args before inserting question

Method: Process question form submission.

Action Hook: Action triggered before processing answer form.

Filter Hook: Can be used to modify `$args` before updating answer

Filter Hook: Can be used to modify args before inserting answer

Method: Process comment form.

Action Hook: Action triggered before processing comment form.