Log generated by Function Apps. It includes logs emitted by the Functions host and logs emitted by customer code. Use these logs to monitor application health, performance, and behavior.
The exception details. This includes the exception type, message, and stack trace.
ExceptionMessage
string
The exception message.
ExceptionType
string
The exception type (e.g., System.InvalidOperationException).
FunctionInvocationId
string
The invocation ID that logged the message.
FunctionName
string
The name of the function that logged the message.
HostInstanceId
string
The host instance ID.
HostVersion
string
The Functions host version.
_IsBillable
string
Specifies whether ingesting the data is billable. When _IsBillable is false ingestion isn't billed to your Azure account
Level
string
The log level. Valid values are Trace, Debug, Information, Warning, Error, or Critical.
LevelId
int
The integer value of the log level. Valid values are 0 (Trace), 1 (Debug), 2 (Information), 3 (Warning), 4 (Error), or 5 (Critical).
Location
string
The location of the server that processed the request (e.g., China North).
Message
string
The log message.
ProcessId
int
The process ID.
_ResourceId
string
A unique identifier for the resource that the record is associated with
RoleInstance
string
The role instance ID.
SourceSystem
string
The type of agent the event was collected by. For example, OpsManager for Windows agent, either direct connect or Operations Manager, Linux for all Linux agents, or Azure for Azure Diagnostics
_SubscriptionId
string
A unique identifier for the subscription that the record is associated with