logName property

Required. The resource name of the log to which this log entry belongs:

"projects/[PROJECT_ID]/logs/[LOG_ID]"
"organizations/[ORGANIZATION_ID]/logs/[LOG_ID]"
"billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]"
"folders/[FOLDER_ID]/logs/[LOG_ID]"

A project number may be used in place of PROJECT_ID. The project number is translated to its corresponding PROJECT_ID internally and the log_name field will contain PROJECT_ID in queries and exports.

[LOG_ID] must be URL-encoded within log_name. Example: "organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity".

[LOG_ID] must be less than 512 characters long and can only include the following characters: upper and lower case alphanumeric characters, forward-slash, underscore, hyphen, and period.

For backward compatibility, if log_name begins with a forward-slash, such as /projects/..., then the log entry is ingested as usual, but the forward-slash is removed. Listing the log entry will not show the leading slash and filtering for a log name with a leading slash will never return any results.