[Home](./index.md) > [rc-js-util](./rc-js-util.md) > [SharedMemoryBlock](./rc-js-util.sharedmemoryblock.md) > [createOne](./rc-js-util.sharedmemoryblock.createone.md) ## SharedMemoryBlock.createOne() method **Signature:** ```typescript static createOne(wrapper: IEmscriptenWrapper, bindToReference: IManagedResourceNode | null, byteSize: number): SharedMemoryBlock; ``` ## Parameters

Parameter	Type	Description
wrapper	[IEmscriptenWrapper](./rc-js-util.iemscriptenwrapper.md)<[IInteropBindings](./rc-js-util.iinteropbindings.md)>
bindToReference	[IManagedResourceNode](./rc-js-util.imanagedresourcenode.md) \| null
byteSize	number

**Returns:** [SharedMemoryBlock](./rc-js-util.sharedmemoryblock.md) ## Exceptions exception if allocation cannot be performed.