Links

• JSON representation
• Link
  • JSON representation
• Type

A collection of links, which are references from this span to a span in the same or different trace.

JSON representation
{ "link": [ { object (Link) } ], "droppedLinksCount": integer }

Fields
link[]	object (Link) A collection of links.
droppedLinksCount	integer The number of dropped links after the maximum size was enforced. If this value is 0, then no links were dropped.

Link

A pointer from the current span to another span in the same trace or in a different trace. For example, this can be used in batching operations, where a single batch handler processes multiple requests from different traces or when the handler receives a request from a different project.

JSON representation
{ "traceId": string, "spanId": string, "type": enum (Type), "attributes": { object (Attributes) } }

Fields
traceId	string The [TRACE_ID] for a trace within a project.
spanId	string The [SPAN_ID] for a span within a trace.
type	enum (Type) The relationship of the current span relative to the linked span.
attributes	object (Attributes) A set of attributes on the link. You have have up to 32 attributes per link.

Type

The relationship of the current span relative to the linked span: child, parent, or unspecified.

Enums
TYPE_UNSPECIFIED	The relationship of the two spans is unknown.
CHILD_LINKED_SPAN	The linked span is a child of the current span.
PARENT_LINKED_SPAN	The linked span is a parent of the current span.