- TIBCO BusinessEvents®
- OpenTelemetry
- SpanBuilder

# SpanBuilder.startSpan()

## Signature

`Object startSpan(Object spanBuilder)`

## Domain

ACTION

## Description

create and returns a Span.

## Parameters

Name | Type | Description
--- | --- | ---
`spanBuilder` | `Object` | A SpanBuilder object.

## Returns

Type | Description
--- | ---
`Object` | Returns a Span object.

## Cautions

Span must be ended by calling end()