LabelDescriptor

A description of a label.

JSON representation 
{
 "key": string,
 "valueType": enum (ValueType ),
 "description": string
}
Fields
key

string

The key for this label. The key must meet the following criteria:

  • Does not exceed 100 characters.
  • Matches the following regular expression: [a-zA-Z][a-zA-Z0-9_]*
    • The first character must be an upper- or lower-case letter.
    • The remaining characters must be letters, digits, or underscores.
valueType

enum (ValueType )

The type of data that can be assigned to the label.
description

string

A human-readable description for the label.

ValueType

Value types that can be used as label values.

Enums
STRING A variable-length string, not to exceed 1,024 characters. This is the default value type.
BOOL Boolean; true or false.
INT64 A 64-bit signed integer.

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Last updated 2025年07月23日 UTC.