[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [WireMetadata](./x-components.wiremetadata.md) > [moduleName](./x-components.wiremetadata.modulename.md) ## WireMetadata.moduleName property The [XModule](./x-components.xmodule.md) name that emitted the event or `null` if it has been emitted from an unknown module. **Signature:** ```typescript moduleName: XModuleName | null; ```