# FiddlerSpan

Wrapper around OpenTelemetry span with simplified helper methods.

Initialize wrapper around an OTel span or context manager.

## **enter**()

Enter context manager and start span.

Note: Attribute propagation now happens automatically via FiddlerSpanProcessor.

**Return type:** [*FiddlerSpan*](#fiddlerspan)

## **exit**(exc\_type, exc\_val, exc\_tb)

Exit context manager, record exceptions, and end span.

**Return type:** *Literal*\[False]

## end()

Explicitly end the span. Must be called when using start\_span().

**Return type:** None

## set\_input()

Set input data. Auto-serializes dicts/lists to JSON.

**Return type:** None

## set\_output()

Set output data. Auto-serializes dicts/lists to JSON.

**Return type:** None

## set\_attribute()

Set a custom attribute on the span.

**Return type:** None

## update()

Bulk update multiple attributes.

**Return type:** None

## record\_exception()

Record an exception on the span.

**Return type:** None

## set\_agent\_name()

Set the agent name (gen\_ai.agent.name).

**Return type:** None

## set\_agent\_id()

Set the agent ID (gen\_ai.agent.id).

**Return type:** None

## set\_conversation\_id()

Set the conversation ID (gen\_ai.conversation.id).

**Return type:** None