mongoc_error_has_label - Man Page

bool
mongoc_error_has_label (const bson_t *reply, const char *label);

Test whether a reply from a failed operation includes a specific error label. See Error Labels for details, and see mongoc_client_session_start_transaction() for example code that demonstrates their use.

• reply: A non-NULL pointer to overwritable storage for a bson_t to contain the results.
• label: The label to test for, such as "TransientTransactionError" or "UnknownTransactionCommitResult".

Returns true if reply contains the error label.

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