diff --git a/src/authd/client.cr b/src/authd/client.cr
index 6bbfb4e..4622f25 100644
--- a/src/authd/client.cr
+++ b/src/authd/client.cr
@@ -103,7 +103,7 @@ module AuthD
 			parse_message [Response::UserAdded], read
 		end
 
-		def mod_user(uid_or_login : Int32 | String, password : String? = nil, email : String? = nil)
+		def mod_user(uid_or_login : UserID, password : String? = nil, email : String? = nil)
 			request = Request::ModUser.new uid_or_login
 
 			request.password = password if password
@@ -113,14 +113,14 @@ module AuthD
 			parse_message [Response::UserEdited], read
 		end
 
-		def check_permission(user : Int32, service_name : String, resource_name : String)
+		def check_permission(user : UserID, service_name : String, resource_name : String)
 			request = Request::CheckPermission.new user, service_name, resource_name
 			send_now request
 			parse_message [Response::PermissionCheck], read
 		end
 
-		def set_permission(uid : Int32, service : String, resource : String, permission : User::PermissionLevel)
-			request = Request::SetPermission.new uid, service, resource, permission
+		def set_permission(user : UserID, service : String, resource : String, permission : User::PermissionLevel)
+			request = Request::SetPermission.new user, service, resource, permission
 			send_now request
 			parse_message [Response::PermissionSet], read
 		end
diff --git a/src/client.cr b/src/client.cr
index 585c82f..d6b7119 100644
--- a/src/client.cr
+++ b/src/client.cr
@@ -183,22 +183,30 @@ class Actions
 	def permission_check
 		args = Context.args.not_nil!
 		user, application, resource = args[0..2]
-		# pp! user, application, resource
-
-		# TODO: login.
 		res = @authd.check_permission user.to_i, application, resource
-		puts res
+		case res
+		when Response::PermissionCheck
+			s = res.service
+			r = res.resource
+			u = res.user
+			p = res.permission
+			Baguette::Log.info "app #{s} resource #{r} user #{u}: #{p}"
+		end
 	end
 
 	def permission_set
 		args = Context.args.not_nil!
 		user, application, resource, permission = args[0..3]
-		# pp! user, application, resource, permission
-
-		# TODO: login.
 		perm = AuthD::User::PermissionLevel.parse(permission)
 		res = @authd.set_permission user.to_i, application, resource, perm
-		puts res
+		case res
+		when Response::PermissionSet
+			s = res.service
+			r = res.resource
+			u = res.user
+			p = res.permission
+			Baguette::Log.info "app #{s} resource #{r} user #{u}: #{p}"
+		end
 	end
 end
 
@@ -233,6 +241,8 @@ def main
 		actions.the_call[Context.command].call
 	rescue e
 		Baguette::Log.info "The command is not recognized (or implemented)."
+		Baguette::Log.info "Exception: #{e}."
+		pp! e
 	end
 
 	# authd disconnection