The topic describes the DF191 T-SQL code analysis rule.
BEST PRACTICE
Stored procedure does not return result code.
It is recommended to always return a result from stored procedures to indicate the outcome of the execution.
EXEC dbo.DemoProcedure @prm = 1
GO
DECLARE @ret INT
EXEC @ret = dbo.DemoProcedure @prm = 1
GO