Enumeration Field_Cardinality

Whether a field is optional, required, or repeated.

from enum google.protobuf.Field.Cardinality

Enumeration Members

OPTIONAL: 1

For optional fields.

from enum value: CARDINALITY_OPTIONAL = 1;

REPEATED: 3

For repeated fields.

from enum value: CARDINALITY_REPEATED = 3;

REQUIRED: 2

For required fields. Proto2 syntax only.

from enum value: CARDINALITY_REQUIRED = 2;

UNKNOWN: 0

For fields with unknown cardinality.

from enum value: CARDINALITY_UNKNOWN = 0;