Spacemacs snippet to remap special keys

gistfile1.txt

(defun dotspacemacs/user-config ()
  "Configuration function for user code.
(defun dotspacemacs/user-config ()
  "Configuration function for user code.
 This function is called at the very end of Spacemacs initialization after
layers configuration. You are free to put any user code."
  (global-set-key [(M +)] "]")
  (global-set-key [(M ?\ç)] "}")
  (global-set-key [(M \1)] "|")
  (global-set-key [(M \2)] "@")
  (global-set-key [(M \3)] "#")
  (global-set-key [(M \4)] "~")
  (global-set-key [(M ?\º)] "\\")
  (global-set-key [(M ?\ñ)] "~")
)