def from_state(cls, state: type[BaseState] | str, field_name: str = "") -> VarData:
        """Set the state of the var.

        Args:
            state: The state to set or the full name of the state.
            field_name: The name of the field in the state. Optional.

        Returns:
            The var with the set state.
        """
        from reflex.utils import format

        state_name = state if isinstance(state, str) else state.get_full_name()
        return VarData(
            state=state_name,
            field_name=field_name,
            hooks={
                "const {0} = useContext(StateContexts.{0})".format(
                    format.format_state_name(state_name)
                ): None
            },
            imports={
                f"$/{constants.Dirs.CONTEXTS_PATH}": [ImportVar(tag="StateContexts")],
                "react": [ImportVar(tag="useContext")],
            },
        )
Set the state of the var.

        Args:
            state: The state to set or the full name of the state.
            field_name: The name of the field in the state. Optional.

        Returns:
            The var with the set state.
        
reflex/vars/base.py