How Texas Gov. Greg Abbott might spend $2.9 billion in proposed state border security funds depends largely on how President Donald Trump plans to address challenges at the U.S.-Mexico border, Abbott’s office told Senate budget writers Thursday.

In a series of executive orders Wednesday, Gov. Greg Abbott ordered state agencies to cooperate with President Donald Trump’s mass deportation efforts and directed the state’s criminal justice agency to identify land and facilities that could be used for detaining and deporting undocumented migrants.