Unity Standard Shader

Shader "Custom/UniversalFlag"
{
    Properties
    {
        _Color ("Color", Color) = (1,1,1,1)
        _Detail("Detail (RGB)",2D) = "gray" {}
        _MainTex ("MainTex (RGB)", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "RenderType"="Opaque" }
        LOD 200

        CGPROGRAM
// Upgrade NOTE: excluded shader from DX11; has structs without semantics (struct v2f members uv_MainTex)
#pragma exclude_renderers d3d11
        // Physically based Standard lighting model, and enable shadows on all light types
        #pragma surface surf Standard fullforwardshadows

        // Use shader model 3.0 target, to get nicer looking lighting
        #pragma target 3.0

        struct Input{
            float2 uv_MainTex : TEXCOORD0;
            float2 uv2_Detail : TEXCOORD1;
        };

        sampler2D _MainTex;
        sampler2D _Detail;

        half _Glossiness;
        half _Metallic;
        fixed4 _Color;

        // Add instancing support for this shader. You need to check 'Enable Instancing' on materials that use the shader.
        // See https://docs.unity3d.com/Manual/GPUInstancing.html for more information about instancing.
        // #pragma instancing_options assumeuniformscaling
        UNITY_INSTANCING_BUFFER_START(Props)
            // put more per-instance properties here
        UNITY_INSTANCING_BUFFER_END(Props)

        void surf (Input IN, inout SurfaceOutputStandard o)
        {
            // Albedo comes from a texture tinted by color
            fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
            o.Albedo = c.rgb;
            o.Albedo *= tex2D (_Detail, IN.uv2_Detail).rgb;

            o.Alpha = c.a;


        }
        ENDCG
    }
    FallBack "Diffuse"
}