OptionalbeforeOptionaldebugEnable debug logging
OptionaldsnData source name / endpoint URL
OptionalenvironmentEnvironment identifier (development, staging, production)
OptionalinitialInitial context to set
OptionalinitialInitial tags to set on all events
OptionalreleaseApplication version/release
OptionaltracesSample rate for performance traces (0.0 to 1.0)
Hook to filter/modify events before sending