in functions/simple/simple.py [0:0]
def validate_input(event):
if not 'function-name' in event:
raise Exception("'function-name' is required")
if not 'new-version' in event:
raise Exception("'new-version' is required")
if not 'alias-name' in event:
raise Exception("'alias-name' is required")
if not 'interval' in event:
raise Exception("'interval' is required")
if not 'steps' in event:
raise Exception("'steps' is required")