Execute Function in Stored Procedure SQL Server

--CREATE A FUNCTION FOR ADD TWO USER INPUT VALUES.
CREATE FUNCTION AddFun_sp(@NumIst INT, @NumpIInd INT)
RETURNS INT
AS BEGIN
DECLARE @Result as int
    SET @Result=@NumIst+@NumpIInd
RETURN @Result
END

--CALL A FUNCTION IN STORE PROCEDURE.
CREATE PROCEDURE usp_CallAfunction
(
 @IstVar INT,
 @IIndVar INT
)
AS BEGIN
DECLARE @sp AS INT
    SET @sp=dbo.AddFun1(@IstVar,@IIndVar)
PRINT @sp
END

--EXECUTE STORE PROCEDURE FOR OUTPUT RESULT.
EXECUTE dbo.usp_CallAfunction '10', '20'

--RESULT IS 30

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Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link.. My Tech Blog - https://www.code-sample.com/ My Books - Book 1 and Book 2