WS-CAP (for Common Alerting Protocol) is a standard able to define the format of an Alert.
If you want more information, you can consult [WS-CAP standard|http://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2-os.html]
If you want more information, you can consult [WS-CAP standard|http://docs.oasis-open.org/emergency/cap/v1.2/CAP-v1.2-os.html]