[firebase-br] Erro em trigger

[Marco A.]

o que ta errado?
essa e a trigger:

CREATE trigger movicompra_ai0 for movicompra
active after insert position 0
AS
begin
  insert into peps (pepsitem, pepsda)
         values (new.movitem, new.movdata)
end

esse e o erro:

Invalid token.
Dynamic SQL Error.
SQL error code = -104.
Token unknown - line 7, column 1.
end.