gistfile1.txt

SELECT 
    p.name AS ParameterName,
    t.name AS DataType,
    p.max_length AS MaxLength,
    p.precision AS Precision,
    p.scale AS Scale,
    p.is_output AS IsOutputParameter,
    CASE 
        WHEN p.is_nullable = 1 THEN 'Optional'
        ELSE 'Mandatory'
    END AS ParameterRequirement
FROM 
    sys.parameters p
INNER JOIN 
    sys.types t ON p.user_type_id = t.user_type_id
WHERE 
    p.object_id = OBJECT_ID('YourStoredProcedureName');