Please share this suggested wording with your legal advisor.
I give to CAMFED USA Foundation, a California non-profit (Tax ID #54-2033897), or its successor, the sum of $___________________, for any purpose as CAMFED deems appropriate.
I give to CAMFED USA Foundation, a California non-profit (Tax ID #54-2033897), or its successor (the real estate located at __________________ or 1000 shares of XYZ stock), for any purpose as CAMFED deems appropriate.
I give to CAMFED USA Foundation, a California non-profit (Tax ID #54-2033897), or its successor, ________% of the rest of my estate, for any purpose as CAMFED deems appropriate.