====== HasWarning ======= The function **HasWarning()** checks if there was a warning during the mapping and returns **true** in case of an event. {{:images:sign_warning.png?nolink|}}**Note:** Only the errors up to the mapping rule where this function is called are considered. {{:images:sign_warning.png?nolink|}}**Note:** The function also returns **true** when a mapping error occurs.