wp-includes/php-ai-client/src/Builders/MessageBuilder.php:167Adds a function call to the message.
$functionCallWordPress\AiClient\Tools\DTO\FunctionCallself public function withFunctionCall(FunctionCall $functionCall): self { $this->parts[] = new MessagePart($functionCall); return $this; }Introduced in 0.2.0. Unchanged from 7.0.4 through 7.1.0.
Signature, return type and hooks compared across 2 parsed releases.
src/wp-includes/php-ai-client/src/Builders/MessageBuilder.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.