diff --git a/Adaptation/FileHandlers/OpenInsightMetrologyViewer/WSRequest.cs b/Adaptation/FileHandlers/OpenInsightMetrologyViewer/WSRequest.cs
index 60f2a9d..31fca0d 100644
--- a/Adaptation/FileHandlers/OpenInsightMetrologyViewer/WSRequest.cs
+++ b/Adaptation/FileHandlers/OpenInsightMetrologyViewer/WSRequest.cs
@@ -30,6 +30,7 @@ public class WSRequest
     public string HazeRegionMax { get; set; }
     public string HazeRegionMin { get; set; }
     public string HazeRegionStdDev { get; set; }
+    public string IndexOf { get; set; }
     public string Layer { get; set; }
     public string LotID { get; set; }
     public string LPDCM2Avg { get; set; }
@@ -102,6 +103,7 @@ public class WSRequest
             HazeRegionMax = x.HazeRegionMax;
             HazeRegionMin = x.HazeRegionMin;
             HazeRegionStdDev = x.HazeRegionStdDev;
+            IndexOf = x.IndexOf;
             LotID = x.Lot;
             LPDCM2Avg = x.LPDCM2Avg;
             LPDCM2Max = x.LPDCM2Max;
diff --git a/Adaptation/FileHandlers/pcl/Description.cs b/Adaptation/FileHandlers/pcl/Description.cs
index b0ba8a2..49512c4 100644
--- a/Adaptation/FileHandlers/pcl/Description.cs
+++ b/Adaptation/FileHandlers/pcl/Description.cs
@@ -30,6 +30,7 @@ public class Description : IDescription, Shared.Properties.IDescription
     [JsonPropertyName("PSN")] public string PSN { get; set; }
     [JsonPropertyName("Reactor")] public string Reactor { get; set; }
     [JsonPropertyName("Recipe")] public string Recipe { get; set; }
+    [JsonPropertyName("IndexOf")] public string IndexOf { get; set; }
     //
     [JsonPropertyName("Comments")] public string Comments { get; set; }
     [JsonPropertyName("Diameter")] public string Diameter { get; set; }
diff --git a/Adaptation/_Tests/Static/recipes-and-patterns.js b/Adaptation/_Tests/Static/recipes-and-patterns.js
new file mode 100644
index 0000000..8f5fdae
--- /dev/null
+++ b/Adaptation/_Tests/Static/recipes-and-patterns.js
@@ -0,0 +1,115 @@
+// Recipe 1 = Matched
+// recipes-and-patterns.js under IndexOf
+// RecipesAndPatternsMatch
+// ($('dcp.TENCOR1/csv/Index', 0) + 1) == $('dcp.TENCOR1/csv/Count', 0)
+// getValue('TENCOR', $('dcp.TENCOR1/csv/Count', 0), $('dcp.TENCOR1/csv/Session', ''), 'pattern', getContextData('2', 'cds.NULL_DATA', ''));
+
+function getValue(tool, patternSize, recipe, pattern, json) {
+    let result;
+    if (tool == undefined || tool.length === 0 || patternSize == undefined || patternSize.length === 0 || recipe == undefined || recipe.length === 0 || pattern == undefined || pattern.length === 0 || json == undefined || json.length === 0)
+        result = 'A) Invalid input!';
+    else {
+        let parsed;
+        try {
+            parsed = JSON.parse(json);
+        } catch (error) {
+            parsed = null;
+        }
+        if (parsed == null)
+            result = 'B) Invalid input!';
+        else if (parsed.rds == undefined || parsed.rds.prodSpec == undefined || parsed.rds.prodSpec.recipesAndPatterns == undefined)
+            result = 'C) No Spec!';
+        else {
+            let toolMatches = [];
+            for (let index = 0; index < parsed.rds.prodSpec.recipesAndPatterns.length; index++) {
+                if (parsed.rds.prodSpec.recipesAndPatterns[index].tool === tool) {
+                    toolMatches.push(parsed.rds.prodSpec.recipesAndPatterns[index]);
+                }
+            }
+            if (toolMatches == null || toolMatches.length === 0)
+                result = 'Tool [' + tool + '] not found in OI API results!';
+            else {
+                let debug = '';
+                let matches = 0;
+                for (let index = 0; index < toolMatches.length; index++) {
+                    debug += 'patternSize: ' + toolMatches[index].patternSize +
+                             '; recipe: ' + toolMatches[index].recipe +
+                             '; pattern: ' + toolMatches[index].pattern + ';~';
+                    if (toolMatches[index].recipe.localeCompare(recipe, ['en-US'], { sensitivity: 'base' }) === 0) {
+                        matches++;
+                    }
+                }
+                if (matches > 0)
+                    result = '1';
+                else
+                    result = 'Value not matched~Run~patternSize: ' + patternSize + '; recipe: ' + recipe + '; pattern: ' + pattern + ';~API~' + debug;
+            }
+        }
+    }
+    return result;
+}
+
+getValue('TENCOR', 0, '6IN25_ROTR', 'pattern', '{"rds":{"prodSpec":{"recipesAndPatterns":[{"recipe":"6IN25_ROTR","pattern":"","patternSize":0,"tool":"TENCOR"}]}}}');
+
+let json;
+let tool;
+let recipe;
+let pattern;
+let patternSize;
+
+tool = 'TENCOR'
+patternSize = 0;
+recipe = '6IN25_ROTR';
+pattern = 'pattern';
+json = '{"rds":{"prodSpec":{"recipesAndPatterns":[{"recipe":"6IN25_ROTR","pattern":"","patternSize":0,"tool":"TENCOR"}]}}}';
+const testA = getValue(tool, patternSize, recipe, pattern, json);
+if (testA !== '1')
+    throw 'Test A failed: ' + testA;
+tool = null;
+const testB = getValue(tool, patternSize, recipe, pattern, json);
+if (testB !== 'A) Invalid input!')
+    throw 'Test L failed: ' + testB;
+tool = '';
+const testC = getValue(tool, patternSize, recipe, pattern, json);
+if (testC !== 'A) Invalid input!')
+    throw 'Test M failed: ' + testC;
+patternSize = null;
+const testD = getValue(tool, patternSize, recipe, pattern, json);
+if (testD !== 'A) Invalid input!')
+    throw 'Test J failed: ' + testD;
+patternSize = '';
+const testE = getValue(tool, patternSize, recipe, pattern, json);
+if (testE !== 'A) Invalid input!')
+    throw 'Test K failed: ' + testE;
+recipe = null;
+const testF = getValue(tool, patternSize, recipe, pattern, json);
+if (testF !== 'A) Invalid input!')
+    throw 'Test F failed: ' + testF;
+recipe = '';
+const testG = getValue(tool, patternSize, recipe, pattern, json);
+if (testG !== 'A) Invalid input!')
+    throw 'Test G failed: ' + testG;
+pattern = null;
+const testH = getValue(tool, patternSize, recipe, pattern, json);
+if (testH !== 'A) Invalid input!')
+    throw 'Test H failed: ' + testH;
+pattern = '';
+const testI = getValue(tool, patternSize, recipe, pattern, json);
+if (testI !== 'A) Invalid input!')
+    throw 'Test I failed: ' + testI;
+json = '';
+const testK = getValue(tool, patternSize, recipe, pattern, json);
+if (testK !== 'A) Invalid input!')
+    throw 'Test B failed: ' + testK;
+json = 'invalid';
+const testL = getValue(tool, patternSize, recipe, pattern, json);
+if (testL !== 'B) Invalid input!')
+    throw 'Test C failed: ' + testL;
+json = '{"rds":{}}';
+const testM = getValue(tool, patternSize, recipe, pattern, json);
+if (testM !== 'C) No Spec!')
+    throw 'Test D failed: ' + testM;
+json = '{"rds":{"prodSpec":{"recipesAndPatterns":[]}}}';
+const testN = getValue(tool, patternSize, recipe, pattern, json);
+if (testN !== 'Tool [TENCOR] not found in OI API results!')
+    throw 'Test E failed: ' + testN;