def create(
        cls,
        js_expression: str,
        _var_type: type[RETURN] | None = None,
        _var_data: VarData | None = None,
    ) -> CustomVarOperationReturn[RETURN]:
        """Create a CustomVarOperation.

        Args:
            js_expression: The JavaScript expression to evaluate.
            _var_type: The type of the var.
            _var_data: Additional hooks and imports associated with the Var.

        Returns:
            The CustomVarOperation.
        """
        return CustomVarOperationReturn(
            _js_expr=js_expression,
            _var_type=_var_type or Any,
            _var_data=_var_data,
        )
Create a CustomVarOperation.

        Args:
            js_expression: The JavaScript expression to evaluate.
            _var_type: The type of the var.
            _var_data: Additional hooks and imports associated with the Var.

        Returns:
            The CustomVarOperation.
        
reflex/vars/base.py