diff --git a/src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiParameterGenerator.cs b/src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiParameterGenerator.cs
index 8519af38..aa62303e 100644
--- a/src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiParameterGenerator.cs
+++ b/src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiParameterGenerator.cs
@@ -94,13 +94,28 @@ public static IList<OpenApiParameter> CreateParameters(this ODataContext context
                         Name = parameterNameMapping == null ? edmParameter.Name : parameterNameMapping[edmParameter.Name],
                         In = ParameterLocation.Query, // as query option
                         Required = true,
-                        Schema = new OpenApiSchema
-                        {
-                            Type = "string",
 
-                            // These Parameter Objects optionally can contain the field description,
-                            // whose value is the value of the unqualified annotation Core.Description of the parameter.
-                            Description = context.Model.GetDescriptionAnnotation(edmParameter)
+                        // Create schema in the Content property to indicate that the parameters are serialized as JSON
+                        Content = new Dictionary<string, OpenApiMediaType>
+                        {
+                            {
+                                Constants.ApplicationJsonMediaType,
+                                new OpenApiMediaType
+                                {
+                                    Schema = new OpenApiSchema
+                                    {
+                                        Type = "array",
+                                        Items = new OpenApiSchema
+                                        {
+                                            Type = "string"
+                                        },
+
+                                        // These Parameter Objects optionally can contain the field description,
+                                        // whose value is the value of the unqualified annotation Core.Description of the parameter.
+                                        Description = context.Model.GetDescriptionAnnotation(edmParameter)
+                                    }
+                                }
+                            }
                         },
 
                         // The parameter description describes the format this URL-encoded JSON object or array, and/or reference to [OData-URL].
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiParameterGeneratorTests.cs b/test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiParameterGeneratorTests.cs
index d48df405..4534df6d 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiParameterGeneratorTests.cs
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiParameterGeneratorTests.cs
@@ -4,6 +4,7 @@
 // ------------------------------------------------------------
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
 using System.Xml.Linq;
 using Microsoft.OData.Edm;
@@ -369,6 +370,65 @@ private void VerifyCreateExpandParameter(IEdmElement edmElement, ODataContext co
             Assert.Equal(expected.ChangeLineBreaks(), json);
         }
 
+        [Fact]
+        public void CreateParametersWorks()
+        {
+            // Arrange
+            IEdmModel model = EdmModelHelper.GraphBetaModel;
+            ODataContext context = new ODataContext(model);
+            IEdmSingleton deviceMgmt = model.EntityContainer.FindSingleton("deviceManagement");
+            Assert.NotNull(deviceMgmt);
+
+            IEdmFunction function1 = model.SchemaElements.OfType<IEdmFunction>().First(f => f.Name == "getRoleScopeTagsByIds");
+            Assert.NotNull(function1);
+
+            IEdmFunction function2 = model.SchemaElements.OfType<IEdmFunction>().First(f => f.Name == "getRoleScopeTagsByResource");
+            Assert.NotNull(function2);
+
+            // Act
+            IList<OpenApiParameter> parameters1 = context.CreateParameters(function1);
+            IList<OpenApiParameter> parameters2 = context.CreateParameters(function2);
+
+            // Assert
+            Assert.NotNull(parameters1);
+            OpenApiParameter parameter1 = Assert.Single(parameters1);
+
+            Assert.NotNull(parameters2);
+            OpenApiParameter parameter2 = Assert.Single(parameters2);
+
+            string json1 = parameter1.SerializeAsJson(OpenApiSpecVersion.OpenApi3_0);
+            string expectedPayload1 = $@"{{
+  ""name"": ""ids"",
+  ""in"": ""query"",
+  ""description"": ""The URL-encoded JSON object"",
+  ""required"": true,
+  ""content"": {{
+    ""application/json"": {{
+      ""schema"": {{
+        ""type"": ""array"",
+        ""items"": {{
+          ""type"": ""string""
+        }}
+      }}
+    }}
+  }}
+}}";
+
+            string json2 = parameter2.SerializeAsJson(OpenApiSpecVersion.OpenApi3_0);
+            string expectedPayload2 = $@"{{
+  ""name"": ""resource"",
+  ""in"": ""path"",
+  ""required"": true,
+  ""schema"": {{
+    ""type"": ""string"",
+    ""nullable"": true
+  }}
+}}";
+
+            Assert.Equal(expectedPayload1.ChangeLineBreaks(), json1);
+            Assert.Equal(expectedPayload2.ChangeLineBreaks(), json2);
+        }
+
         public static IEdmModel GetEdmModel()
         {
             const string modelText = @"<edmx:Edmx Version=""4.0"" xmlns:edmx=""http://docs.oasis-open.org/odata/ns/edmx"">
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Graph.Beta.OData.xml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Graph.Beta.OData.xml
index ff463d9d..e31307df 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Graph.Beta.OData.xml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Graph.Beta.OData.xml
@@ -9356,6 +9356,16 @@
                 <Property Name="failureCategory" Type="microsoft.graph.deviceEnrollmentFailureReason" Nullable="false" />
                 <Property Name="failureReason" Type="Edm.String" Unicode="false" />
             </EntityType>
+            <Function Name="getRoleScopeTagsByIds" IsBound="true">
+              <Parameter Name="bindingParameter" Type="graph.deviceManagement" />
+              <Parameter Name="ids" Type="Collection(Edm.String)" Unicode="false" />
+              <ReturnType Type="Collection(graph.roleScopeTag)" />
+            </Function>
+            <Function Name="getRoleScopeTagsByResource" IsBound="true">
+              <Parameter Name="bindingParameter" Type="graph.deviceManagement" />
+              <Parameter Name="resource" Type="Edm.String" Unicode="false" />
+              <ReturnType Type="Collection(graph.roleScopeTag)" />
+            </Function>
             <Function Name="delta" IsBound="true">
                 <Parameter Name="bindingParameter" Type="Collection(microsoft.graph.user)" />
                 <ReturnType Type="Collection(microsoft.graph.user)" />