awGetSequenceFieldSize

BrokerError awGetSequenceFieldSize(
BrokerEvent event,
char *field_name,
int *size);

event	The event whose sequence field size is to be obtained.
field_name	Name of the sequence field.
size	Number of elements in the sequence. This parameter is used for output.

Obtains the number of elements in the sequence specified by field_name. See Specifying Field Names for complete information on specifying field_name.

Possible BrokerError major codes	Meaning
AW_ERROR_FIELD_NOT_FOUND	The field_name does not exist in the event.
AW_ERROR_FIELD_TYPE_MISMATCH	The field is not a sequence or the field_name incorrectly accesses a type.
AW_ERROR_INVALID_EVENT	The event is invalid.
AW_ERROR_INVALID_FIELD_NAME	The field_name is invalid.
AW_ERROR_NULL_PARAM	The parameter field_name or size is NULL.