diff --git a/src/main/kotlin/org/domaframework/doma/intellij/inspection/sql/inspector/SqlBindVariableValidInspector.kt b/src/main/kotlin/org/domaframework/doma/intellij/inspection/sql/inspector/SqlBindVariableValidInspector.kt
index 53718969..de558c52 100644
--- a/src/main/kotlin/org/domaframework/doma/intellij/inspection/sql/inspector/SqlBindVariableValidInspector.kt
+++ b/src/main/kotlin/org/domaframework/doma/intellij/inspection/sql/inspector/SqlBindVariableValidInspector.kt
@@ -43,7 +43,6 @@ import org.domaframework.doma.intellij.common.psi.PsiParentClass
 import org.domaframework.doma.intellij.extension.expr.accessElements
 import org.domaframework.doma.intellij.extension.expr.fqdn
 import org.domaframework.doma.intellij.extension.getJavaClazz
-import org.domaframework.doma.intellij.extension.psi.findNodeParent
 import org.domaframework.doma.intellij.extension.psi.getDomaAnnotationType
 import org.domaframework.doma.intellij.extension.psi.getForItem
 import org.domaframework.doma.intellij.extension.psi.getIterableClazz
@@ -164,9 +163,6 @@ class SqlBindVariableValidInspector : LocalInspectionTool() {
                 // Exclude fixed Literal
                 if (isLiteralOrStatic(element)) return
 
-                // TODO Check function parameters in the same way as bind variables.
-                if (element.findNodeParent(SqlTypes.EL_PARAMETERS) != null) return
-
                 // For static property references, match against properties in the class definition
                 if (element.parent is SqlElStaticFieldAccessExpr) {
                     checkStaticFieldAndMethodAccess(
diff --git a/src/test/kotlin/org/domaframework/doma/intellij/inspection/dao/DomaUseVariableTest.kt b/src/test/kotlin/org/domaframework/doma/intellij/inspection/dao/DomaUseVariableTest.kt
index 5eb8b6b8..910056de 100644
--- a/src/test/kotlin/org/domaframework/doma/intellij/inspection/dao/DomaUseVariableTest.kt
+++ b/src/test/kotlin/org/domaframework/doma/intellij/inspection/dao/DomaUseVariableTest.kt
@@ -34,6 +34,7 @@ class DomaUseVariableTest : DomaSqlTest() {
             "$testDaoName/selectOptionDoesNotCauseError.sql",
             "$testDaoName/collectDoesNotCauseError.sql",
             "$testDaoName/collectDoesCauseError.sql",
+            "$testDaoName/noErrorWhenUsedInFunctionParameters.sql",
         )
         myFixture.enableInspections(DaoMethodVariableInspector())
     }
diff --git a/src/test/kotlin/org/domaframework/doma/intellij/inspection/sql/ParameterDefinedTest.kt b/src/test/kotlin/org/domaframework/doma/intellij/inspection/sql/ParameterDefinedTest.kt
index b26f1868..99a6df0d 100644
--- a/src/test/kotlin/org/domaframework/doma/intellij/inspection/sql/ParameterDefinedTest.kt
+++ b/src/test/kotlin/org/domaframework/doma/intellij/inspection/sql/ParameterDefinedTest.kt
@@ -22,17 +22,20 @@ import org.domaframework.doma.intellij.inspection.sql.inspector.SqlBindVariableV
  * A test that inspects whether a bind variable's parameters are defined.
  */
 class ParameterDefinedTest : DomaSqlTest() {
+    private val testDaoName = "EmployeeSummaryDao"
+
     override fun setUp() {
         super.setUp()
         addDaoJavaFile(
-            "EmployeeSummaryDao.java",
+            "$testDaoName.java",
         )
         addSqlFile(
-            "EmployeeSummaryDao/bindVariableForEntityAndNonEntityParentClass.sql",
-            "EmployeeSummaryDao/bindVariableForNonEntityClass.sql",
-            "EmployeeSummaryDao/accessStaticProperty.sql",
-            "EmployeeSummaryDao/batchAnnotationResolvesClassInList.sql",
-            "EmployeeSummaryDao/resolveDaoArgumentOfListType.sql",
+            "$testDaoName/bindVariableForEntityAndNonEntityParentClass.sql",
+            "$testDaoName/bindVariableForNonEntityClass.sql",
+            "$testDaoName/accessStaticProperty.sql",
+            "$testDaoName/batchAnnotationResolvesClassInList.sql",
+            "$testDaoName/resolveDaoArgumentOfListType.sql",
+            "$testDaoName/bindVariableInFunctionParameters.sql",
         )
         myFixture.enableInspections(SqlBindVariableValidInspector())
     }
@@ -42,7 +45,7 @@ class ParameterDefinedTest : DomaSqlTest() {
      * + Non-Entity parent class field, method reference test
      */
     fun testBindVariableForEntityAndNonEntityParentClass() {
-        val sqlFile = findSqlFile("EmployeeSummaryDao/bindVariableForEntityAndNonEntityParentClass.sql")
+        val sqlFile = findSqlFile("$testDaoName/bindVariableForEntityAndNonEntityParentClass.sql")
         assertNotNull("Not Found SQL File", sqlFile)
         if (sqlFile == null) return
 
@@ -50,7 +53,7 @@ class ParameterDefinedTest : DomaSqlTest() {
     }
 
     fun testBindVariableForNonEntityClass() {
-        val sqlFile = findSqlFile("EmployeeSummaryDao/bindVariableForNonEntityClass.sql")
+        val sqlFile = findSqlFile("$testDaoName/bindVariableForNonEntityClass.sql")
         assertNotNull("Not Found SQL File", sqlFile)
         if (sqlFile == null) return
 
@@ -58,7 +61,7 @@ class ParameterDefinedTest : DomaSqlTest() {
     }
 
     fun testAccessStaticProperty() {
-        val sqlFile = findSqlFile("EmployeeSummaryDao/accessStaticProperty.sql")
+        val sqlFile = findSqlFile("$testDaoName/accessStaticProperty.sql")
         assertNotNull("Not Found SQL File", sqlFile)
         if (sqlFile == null) return
 
@@ -67,7 +70,7 @@ class ParameterDefinedTest : DomaSqlTest() {
 
     fun testBatchAnnotationResolvesClassInList() {
         val sqlFile =
-            findSqlFile("EmployeeSummaryDao/batchAnnotationResolvesClassInList.sql")
+            findSqlFile("$testDaoName/batchAnnotationResolvesClassInList.sql")
         assertNotNull("Not Found SQL File", sqlFile)
         if (sqlFile == null) return
 
@@ -76,7 +79,16 @@ class ParameterDefinedTest : DomaSqlTest() {
 
     fun testResolveDaoArgumentOfListType() {
         val sqlFile =
-            findSqlFile("EmployeeSummaryDao/resolveDaoArgumentOfListType.sql")
+            findSqlFile("$testDaoName/resolveDaoArgumentOfListType.sql")
+        assertNotNull("Not Found SQL File", sqlFile)
+        if (sqlFile == null) return
+
+        myFixture.testHighlighting(false, false, false, sqlFile)
+    }
+
+    fun testBindVariableInFunctionParameters() {
+        val sqlFile =
+            findSqlFile("$testDaoName/bindVariableInFunctionParameters.sql")
         assertNotNull("Not Found SQL File", sqlFile)
         if (sqlFile == null) return
 
diff --git a/src/test/testData/src/main/java/doma/example/dao/DaoMethodVariableInspectionTestDao.java b/src/test/testData/src/main/java/doma/example/dao/DaoMethodVariableInspectionTestDao.java
index 83c1e6d6..05da5b26 100644
--- a/src/test/testData/src/main/java/doma/example/dao/DaoMethodVariableInspectionTestDao.java
+++ b/src/test/testData/src/main/java/doma/example/dao/DaoMethodVariableInspectionTestDao.java
@@ -47,5 +47,7 @@ interface DaoMethodVariableInspectionTestDao {
   @Select
   Project collectDoesCauseError(Employee <error descr="There are unused parameters in the SQL [employee]">employee</error>,String searchName,Collector<Project, ?, Project> <error descr="There are unused parameters in the SQL [collector]">collector</error>);
 
+  @Select
+  Project noErrorWhenUsedInFunctionParameters(Employee employee, Integer count);
 
 }
\ No newline at end of file
diff --git a/src/test/testData/src/main/java/doma/example/dao/EmployeeSummaryDao.java b/src/test/testData/src/main/java/doma/example/dao/EmployeeSummaryDao.java
index 2fc1f01f..7c8c49a6 100644
--- a/src/test/testData/src/main/java/doma/example/dao/EmployeeSummaryDao.java
+++ b/src/test/testData/src/main/java/doma/example/dao/EmployeeSummaryDao.java
@@ -26,4 +26,7 @@ interface EmployeeSummaryDao {
 
   @BatchInsert(sqlFile=true)
   int[] batchAnnotationResolvesClassInList(List<Employee> employees);
+
+  @Insert(sqlFile=true)
+  EmployeeSummary bindVariableInFunctionParameters(Employee employee, User user);
 }
\ No newline at end of file
diff --git a/src/test/testData/src/main/resources/META-INF/doma/example/dao/DaoMethodVariableInspectionTestDao/noErrorWhenUsedInFunctionParameters.sql b/src/test/testData/src/main/resources/META-INF/doma/example/dao/DaoMethodVariableInspectionTestDao/noErrorWhenUsedInFunctionParameters.sql
new file mode 100644
index 00000000..3ea54734
--- /dev/null
+++ b/src/test/testData/src/main/resources/META-INF/doma/example/dao/DaoMethodVariableInspectionTestDao/noErrorWhenUsedInFunctionParameters.sql
@@ -0,0 +1,6 @@
+select
+ p.project_id
+ , p.project_name
+ , p.project_number
+from project p
+where p.project_id = /* employee.employeeParam(count, 1) */0
\ No newline at end of file
diff --git a/src/test/testData/src/main/resources/META-INF/doma/example/dao/EmployeeSummaryDao/bindVariableInFunctionParameters.sql b/src/test/testData/src/main/resources/META-INF/doma/example/dao/EmployeeSummaryDao/bindVariableInFunctionParameters.sql
new file mode 100644
index 00000000..f91e5787
--- /dev/null
+++ b/src/test/testData/src/main/resources/META-INF/doma/example/dao/EmployeeSummaryDao/bindVariableInFunctionParameters.sql
@@ -0,0 +1,10 @@
+-- Check BindVariable Definition In Function Parameters
+SELECT
+    e.employee_id
+    , u.user_id
+    , u.user_name
+FROM user u
+WHERE p.employee_id = /* employee.employeeParam(employee.<error descr="The field or method [dist] does not exist in the class [Employee]">dist</error>, employee.employeeId) */0
+AND p.base_rank = /* employee.employeeParam(user.userId, <error descr="The bind variable [count] does not exist in the Dao method [bindVariableInFunctionParameters]">count</error>) */0
+AND p.employee_id = /* employee.employeeParam(employee.<error descr="The field or method [dist] does not exist in the class [Employee]">dist</error>, <error descr="The bind variable [rank] does not exist in the Dao method [bindVariableInFunctionParameters]">rank</error>) */0
+/*%end */
\ No newline at end of file