diff --git a/internal/pkg/configmanager/configmanager.go b/internal/pkg/configmanager/configmanager.go
index 8b8f052c0..89a3d8ec2 100644
--- a/internal/pkg/configmanager/configmanager.go
+++ b/internal/pkg/configmanager/configmanager.go
@@ -44,7 +44,7 @@ func (c *Config) ValidateDependency() []error {
 	toolMap := make(map[string]bool)
 	// creating the set
 	for _, tool := range c.Tools {
-		toolMap[tool.Key()] = true
+		toolMap[tool.KeyWithNameAndInstanceID()] = true
 	}
 
 	for _, tool := range c.Tools {
diff --git a/internal/pkg/configmanager/toolconfig.go b/internal/pkg/configmanager/toolconfig.go
index db81b3e8b..c30ccebfa 100644
--- a/internal/pkg/configmanager/toolconfig.go
+++ b/internal/pkg/configmanager/toolconfig.go
@@ -40,7 +40,7 @@ func (t *Tool) DeepCopy() *Tool {
 	return &retTool
 }
 
-func (t *Tool) Key() string {
+func (t *Tool) KeyWithNameAndInstanceID() string {
 	return fmt.Sprintf("%s.%s", t.Name, t.InstanceID)
 }
 
diff --git a/internal/pkg/configmanager/toolconfig_test.go b/internal/pkg/configmanager/toolconfig_test.go
index 577f4d6f0..427071be0 100644
--- a/internal/pkg/configmanager/toolconfig_test.go
+++ b/internal/pkg/configmanager/toolconfig_test.go
@@ -24,12 +24,12 @@ var _ = Describe("Tool Config", func() {
 		})
 	})
 
-	Context("Key method", func() {
+	Context("KeyWithNameAndInstanceID method", func() {
 		It("should return joined key", func() {
 			toolName := "test_tool"
 			toolInstance := "0"
 			tool := configmanager.Tool{Name: toolName, InstanceID: toolInstance}
-			key := tool.Key()
+			key := tool.KeyWithNameAndInstanceID()
 			Expect(key).Should(Equal(fmt.Sprintf("%s.%s", toolName, toolInstance)))
 		})
 	})
diff --git a/internal/pkg/plugin/jiragithub/templates.go b/internal/pkg/plugin/jiragithub/templates.go
index e4d0a12e2..108ca9d1d 100644
--- a/internal/pkg/plugin/jiragithub/templates.go
+++ b/internal/pkg/plugin/jiragithub/templates.go
@@ -1,6 +1,6 @@
 package jiragithub
 
-var jiraIssuesBuilder = `name: jira-github-integ Builder 
+var jiraIssuesBuilder = `name: jira-github-integ Builder
 on:
   issues:
     types: [opened, reopened, edited, closed]
@@ -28,7 +28,7 @@ jobs:
         issuetype: Task
         summary: ${{ github.event.issue.title }}
         description: ${{ github.event.issue.body }}
-    
+
     - name: Rename github issue
       if: ${{ github.event.action == 'opened' }}
       uses: actions-cool/issues-helper@v3
@@ -40,14 +40,14 @@ jobs:
         title: "[${{ steps.create.outputs.issue }}] ${{ github.event.issue.title }}"
         update-mode: 'replace'
         emoji: '+1'
-      
+
     - name: Find Jira Issue Key
       id: find
       if: ${{ github.event.action != 'opened' }}
       uses: atlassian/gajira-find-issue-key@master
       with:
         string: "${{ github.event.issue.title }}"
-        
+
     - name: Transition issue to In Progress
       id: transition_inprogress
       if: ${{ github.event.action == 'edited' }}
@@ -71,7 +71,7 @@ jobs:
       with:
         issue: ${{ steps.find.outputs.issue }}
         transition: "To Do"
-    
+
   issue_comment_integration:
     if: ${{ github.event_name == 'issue_comment' }}
     runs-on: ubuntu-latest
@@ -87,7 +87,7 @@ jobs:
       id: find
       uses: atlassian/gajira-find-issue-key@master
       with:
-        string: "${{ github.event.issue.title }}"        
+        string: "${{ github.event.issue.title }}"
     - name: Create issue
       id: create_issue
       if: ${{ github.event.action == 'created' }}
@@ -103,7 +103,7 @@ jobs:
       with:
         issue: ${{ steps.find.outputs.issue }}
         comment: "updated: ${{ github.event.comment.body }} from: ${{ github.event.changes.body.from }}"
-        
+
     - name: Delete issue
       id: del_issue
       if: ${{ github.event.action == 'deleted' }}
diff --git a/internal/pkg/pluginengine/change.go b/internal/pkg/pluginengine/change.go
index ac21aff09..2de96fd37 100644
--- a/internal/pkg/pluginengine/change.go
+++ b/internal/pkg/pluginengine/change.go
@@ -143,7 +143,7 @@ func handleResult(smgr statemanager.Manager, change *Change) error {
 	}
 
 	if change.ActionName == statemanager.ActionDelete {
-		key := statemanager.StateKeyGenerateFunc(change.Tool)
+		key := statemanager.GenerateStateKeyByToolNameAndInstanceID(change.Tool.Name, change.Tool.InstanceID)
 		log.Infof("Prepare to delete '%s' from States.", key)
 		err := smgr.DeleteState(key)
 		if err != nil {
@@ -154,7 +154,7 @@ func handleResult(smgr statemanager.Manager, change *Change) error {
 		return nil
 	}
 
-	key := statemanager.StateKeyGenerateFunc(change.Tool)
+	key := statemanager.GenerateStateKeyByToolNameAndInstanceID(change.Tool.Name, change.Tool.InstanceID)
 	state := statemanager.State{
 		Name:       change.Tool.Name,
 		InstanceID: change.Tool.InstanceID,
diff --git a/internal/pkg/pluginengine/change_helper.go b/internal/pkg/pluginengine/change_helper.go
index 54d257c6e..2a01d4c50 100644
--- a/internal/pkg/pluginengine/change_helper.go
+++ b/internal/pkg/pluginengine/change_helper.go
@@ -97,7 +97,7 @@ func GetChangesForApply(smgr statemanager.Manager, cfg *configmanager.Config) (c
 	// 3. generate changes for each tool
 	for _, batch := range batchesOfTools {
 		for _, tool := range batch {
-			state := smgr.GetState(statemanager.StateKeyGenerateFunc(&tool))
+			state := smgr.GetState(statemanager.GenerateStateKeyByToolNameAndInstanceID(tool.Name, tool.InstanceID))
 
 			if state == nil {
 				// tool not in the state, create, no need to Read resource before Create
@@ -142,7 +142,7 @@ func GetChangesForApply(smgr statemanager.Manager, cfg *configmanager.Config) (c
 			}
 
 			// delete the tool from the temporary state map since it's already been processed above
-			tmpStatesMap.Delete(statemanager.StateKeyGenerateFunc(&tool))
+			tmpStatesMap.Delete(statemanager.GenerateStateKeyByToolNameAndInstanceID(tool.Name, tool.InstanceID))
 		}
 	}
 
@@ -177,7 +177,7 @@ func GetChangesForDelete(smgr statemanager.Manager, cfg *configmanager.Config, i
 		batch := batchesOfTools[i]
 		for _, tool := range batch {
 			if !isForceDelete {
-				state := smgr.GetState(statemanager.StateKeyGenerateFunc(&tool))
+				state := smgr.GetState(statemanager.GenerateStateKeyByToolNameAndInstanceID(tool.Name, tool.InstanceID))
 				if state == nil {
 					continue
 				}
@@ -220,7 +220,7 @@ func GetChangesForDestroy(smgr statemanager.Manager, isForceDestroy bool) (chang
 		batch := batchesOfTools[i]
 		for _, tool := range batch {
 			if !isForceDestroy {
-				state := smgr.GetState(statemanager.StateKeyGenerateFunc(&tool))
+				state := smgr.GetState(statemanager.GenerateStateKeyByToolNameAndInstanceID(tool.Name, tool.InstanceID))
 				if state == nil {
 					continue
 				}
@@ -264,7 +264,7 @@ func topologicalSortChangesInBatch(changes []*Change) ([][]*Change, error) {
 		// for each tool in the batch, find the change that matches it
 		for _, tool := range batch {
 			// only add the change that has the tool match with it
-			if change, ok := changesKeyMap[tool.Key()]; ok {
+			if change, ok := changesKeyMap[tool.KeyWithNameAndInstanceID()]; ok {
 				changesOneBatch = append(changesOneBatch, change)
 			}
 		}
@@ -285,9 +285,9 @@ func getToolsFromChanges(changes []*Change) []configmanager.Tool {
 
 	// get tools from changes avoiding duplicated tools
 	for _, change := range changes {
-		if _, ok := toolsKeyMap[change.Tool.Key()]; !ok {
+		if _, ok := toolsKeyMap[change.Tool.KeyWithNameAndInstanceID()]; !ok {
 			tools = append(tools, *change.Tool)
-			toolsKeyMap[change.Tool.Key()] = struct{}{}
+			toolsKeyMap[change.Tool.KeyWithNameAndInstanceID()] = struct{}{}
 		}
 	}
 
@@ -297,7 +297,7 @@ func getToolsFromChanges(changes []*Change) []configmanager.Tool {
 func getChangesKeyMap(changes []*Change) map[string]*Change {
 	changesKeyMap := make(map[string]*Change)
 	for _, change := range changes {
-		changesKeyMap[change.Tool.Key()] = change
+		changesKeyMap[change.Tool.KeyWithNameAndInstanceID()] = change
 	}
 	return changesKeyMap
 }
diff --git a/internal/pkg/pluginengine/outputs.go b/internal/pkg/pluginengine/outputs.go
index e1d735e3a..dade2b341 100644
--- a/internal/pkg/pluginengine/outputs.go
+++ b/internal/pkg/pluginengine/outputs.go
@@ -22,7 +22,7 @@ func HandleOutputsReferences(smgr statemanager.Manager, options map[string]inter
 				continue
 			}
 
-			outputs, err := smgr.GetOutputs(statemanager.GenerateStateKeyByToolNameAndPluginKind(toolName, instanceID))
+			outputs, err := smgr.GetOutputs(statemanager.GenerateStateKeyByToolNameAndInstanceID(toolName, instanceID))
 			if err != nil {
 				errorsList = append(errorsList, err)
 				continue
diff --git a/internal/pkg/pluginengine/topological_sort.go b/internal/pkg/pluginengine/topological_sort.go
index c03ce06a4..c6bbeabd8 100644
--- a/internal/pkg/pluginengine/topological_sort.go
+++ b/internal/pkg/pluginengine/topological_sort.go
@@ -32,7 +32,7 @@ func topologicalSort(tools []configmanager.Tool) ([][]configmanager.Tool, error)
 	// a "graph", which contains "nodes" that haven't been processed yet
 	unprocessedNodeSet := make(map[string]bool)
 	for _, tool := range tools {
-		unprocessedNodeSet[tool.Key()] = true
+		unprocessedNodeSet[tool.KeyWithNameAndInstanceID()] = true
 	}
 
 	// while there is still a node in the graph left to be processed:
@@ -42,7 +42,7 @@ func topologicalSort(tools []configmanager.Tool) ([][]configmanager.Tool, error)
 
 		for _, tool := range tools {
 			// if the tool has already been processed (not in the unprocessedNodeSet anymore), pass
-			if _, ok := unprocessedNodeSet[tool.Key()]; !ok {
+			if _, ok := unprocessedNodeSet[tool.KeyWithNameAndInstanceID()]; !ok {
 				continue
 			}
 
@@ -68,7 +68,7 @@ func topologicalSort(tools []configmanager.Tool) ([][]configmanager.Tool, error)
 
 		// remove tools from the unprocessedNodeSet because they have been added to the batch
 		for _, tool := range batch {
-			delete(unprocessedNodeSet, tool.Key())
+			delete(unprocessedNodeSet, tool.KeyWithNameAndInstanceID())
 		}
 
 		// add the batch to the final result
diff --git a/internal/pkg/show/status/status.go b/internal/pkg/show/status/status.go
index 2cbde21e4..7f944702d 100644
--- a/internal/pkg/show/status/status.go
+++ b/internal/pkg/show/status/status.go
@@ -84,7 +84,7 @@ func showAll(smgr statemanager.Manager) error {
 func showOne(smgr statemanager.Manager, id, plugin string) error {
 	// get state from statemanager
 	state := smgr.GetState(
-		statemanager.GenerateStateKeyByToolNameAndPluginKind(plugin, id),
+		statemanager.GenerateStateKeyByToolNameAndInstanceID(plugin, id),
 	)
 	if state == nil {
 		return fmt.Errorf("state with (id: %s, plugin: %s) not found", id, plugin)
diff --git a/internal/pkg/statemanager/state.go b/internal/pkg/statemanager/state.go
index ab637ee4b..29c5a392a 100644
--- a/internal/pkg/statemanager/state.go
+++ b/internal/pkg/statemanager/state.go
@@ -7,7 +7,6 @@ import (
 
 	"gopkg.in/yaml.v3"
 
-	"github.com/devstream-io/devstream/internal/pkg/configmanager"
 	"github.com/devstream-io/devstream/pkg/util/log"
 	"github.com/devstream-io/devstream/pkg/util/mapz/concurrentmap"
 )
@@ -85,13 +84,9 @@ func (s StatesMap) Format() []byte {
 	return buf.Bytes()
 }
 
-// Note: Please use the StateKeyGenerateFunc function to generate StateKey instance.
+// Note: Please use the GenerateStateKeyByToolNameAndInstanceID function to generate StateKey instance.
 type StateKey string
 
-func StateKeyGenerateFunc(t *configmanager.Tool) StateKey {
-	return StateKey(fmt.Sprintf("%s_%s", t.Name, t.InstanceID))
-}
-
-func GenerateStateKeyByToolNameAndPluginKind(toolName string, instanceID string) StateKey {
+func GenerateStateKeyByToolNameAndInstanceID(toolName string, instanceID string) StateKey {
 	return StateKey(fmt.Sprintf("%s_%s", toolName, instanceID))
 }
diff --git a/internal/pkg/statemanager/state_test.go b/internal/pkg/statemanager/state_test.go
index f203b9c2f..e2608d69b 100644
--- a/internal/pkg/statemanager/state_test.go
+++ b/internal/pkg/statemanager/state_test.go
@@ -11,7 +11,7 @@ import (
 )
 
 var _ = Describe("Statemanager.state", func() {
-	Describe("GenerateStateKeyByToolNameAndPluginKind func", func() {
+	Describe("GenerateStateKeyByToolNameAndInstanceID func", func() {
 		It("should ouput state key base on toolName and plugin kind", func() {
 			var testCases = []struct {
 				toolName       string
@@ -22,7 +22,7 @@ var _ = Describe("Statemanager.state", func() {
 				{"123", "1", "123_1"},
 			}
 			for _, t := range testCases {
-				funcResult := GenerateStateKeyByToolNameAndPluginKind(t.toolName, t.plugKind)
+				funcResult := GenerateStateKeyByToolNameAndInstanceID(t.toolName, t.plugKind)
 				Expect(funcResult).Should(Equal(t.expectStateKey))
 			}
 		})
diff --git a/test/state/drifted_test.go b/test/state/drifted_test.go
index 9d2e456f8..8b14d58e1 100644
--- a/test/state/drifted_test.go
+++ b/test/state/drifted_test.go
@@ -38,7 +38,7 @@ func resourceFromFile() map[string]interface{} {
 
 	tool := cfg.Tools[0]
 
-	state := smgr.GetState(statemanager.StateKeyGenerateFunc(&tool))
+	state := smgr.GetState(statemanager.GenerateStateKeyByToolNameAndInstanceID(tool.Name, tool.InstanceID))
 
 	return state.Resource
 }