TLBindingCreate • tldraw Docs

Type for creating new bindings with required fromId and toId. The id is optional and will be generated if not provided.

type TLBindingCreate<T extends TLBinding = TLBinding> = T extends T
  ? {
      fromId: T['fromId']
      id?: TLBindingId
      meta?: Partial<T['meta']>
      props?: Partial<T['props']>
      toId: T['toId']
      type: T['type']
      typeName?: T['typeName']
    }
  : never

Example

// Create a new arrow binding
const newBinding: TLBindingCreate<TLArrowBinding> = {
  type: 'arrow',
  fromId: 'shape:arrow1',
  toId: 'shape:rectangle1',
  props: {
    terminal: 'end',
    normalizedAnchor: { x: 0.5, y: 0.5 },
    isExact: false,
    isPrecise: true,
  },
}

editor.createBindings([newBinding])