diff --git a/14-operations/.DS_Store b/14-operations/.DS_Store
new file mode 100644
index 0000000..79f4da6
Binary files /dev/null and b/14-operations/.DS_Store differ
diff --git a/14-operations/code/package-lock.json b/14-operations/code/package-lock.json
index 3fc44dc..13fad45 100644
--- a/14-operations/code/package-lock.json
+++ b/14-operations/code/package-lock.json
@@ -10,6 +10,7 @@
       "license": "ISC",
       "dependencies": {
         "@devrev/typescript-sdk": "1.1.28",
+        "@devrev/typescript-sdk-internal": "1.2.266",
         "@slack/web-api": "7.3.1",
         "axios": "1.7.9",
         "protobufjs": "7.3.0"
@@ -1755,6 +1756,27 @@
         "yargs": "^17.6.2"
       }
     },
+    "node_modules/@devrev/typescript-sdk-internal": {
+      "version": "1.2.266",
+      "resolved": "https://npm.pkg.github.com/download/@devrev/typescript-sdk-internal/1.2.266/aab5b2ebdb0bb1c04027ca92737aabe9064fde64",
+      "integrity": "sha512-RJs2AsXPrZicZS3FyntAUwlLMaW0FChghd19zi8kk/ZgE29LuRWeTqmA9uyjkXFi9W7hzIxO/dRBCIhofE1S2A==",
+      "license": "ISC",
+      "dependencies": {
+        "@types/yargs": "^17.0.22",
+        "axios": "^1.7.4",
+        "dotenv": "^16.0.3",
+        "form-data": "^4.0.1",
+        "lru-cache": "^10.0.0",
+        "protobufjs": "^7.3.0",
+        "yargs": "^17.6.2"
+      }
+    },
+    "node_modules/@devrev/typescript-sdk-internal/node_modules/lru-cache": {
+      "version": "10.4.3",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
+      "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ==",
+      "license": "ISC"
+    },
     "node_modules/@eslint-community/eslint-utils": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.4.1.tgz",
@@ -10554,6 +10576,27 @@
         "yargs": "^17.6.2"
       }
     },
+    "@devrev/typescript-sdk-internal": {
+      "version": "1.2.266",
+      "resolved": "https://npm.pkg.github.com/download/@devrev/typescript-sdk-internal/1.2.266/aab5b2ebdb0bb1c04027ca92737aabe9064fde64",
+      "integrity": "sha512-RJs2AsXPrZicZS3FyntAUwlLMaW0FChghd19zi8kk/ZgE29LuRWeTqmA9uyjkXFi9W7hzIxO/dRBCIhofE1S2A==",
+      "requires": {
+        "@types/yargs": "^17.0.22",
+        "axios": "^1.7.4",
+        "dotenv": "^16.0.3",
+        "form-data": "^4.0.1",
+        "lru-cache": "^10.0.0",
+        "protobufjs": "^7.3.0",
+        "yargs": "^17.6.2"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "10.4.3",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-10.4.3.tgz",
+          "integrity": "sha512-JNAzZcXrCt42VGLuYz0zfAzDfAvJWW6AfYlDBQyDV5DClI2m5sAmK+OIO7s59XfsRsWHp02jAJrRadPRGTt6SQ=="
+        }
+      }
+    },
     "@eslint-community/eslint-utils": {
       "version": "4.4.1",
       "resolved": "https://registry.npmjs.org/@eslint-community/eslint-utils/-/eslint-utils-4.4.1.tgz",
diff --git a/14-operations/code/package.json b/14-operations/code/package.json
index 6c63fab..04bf998 100644
--- a/14-operations/code/package.json
+++ b/14-operations/code/package.json
@@ -55,6 +55,7 @@
   },
   "dependencies": {
     "@devrev/typescript-sdk": "1.1.28",
+    "@devrev/typescript-sdk-internal": "1.2.266",
     "@slack/web-api": "7.3.1",
     "axios": "1.7.9",
     "protobufjs": "7.3.0"
diff --git a/14-operations/code/src/functions/operation_handler/get_last_coding_activity.ts b/14-operations/code/src/functions/operation_handler/get_last_coding_activity.ts
new file mode 100644
index 0000000..7dafcf7
--- /dev/null
+++ b/14-operations/code/src/functions/operation_handler/get_last_coding_activity.ts
@@ -0,0 +1,219 @@
+import {
+  OperationContext,
+  ExecuteOperationInput,
+  OperationOutput,
+  OutputValue,
+  FunctionInput,
+  OperationBase,
+} from '@devrev/typescript-sdk/dist/snap-ins';
+import {
+  Api,
+  LinksListParams,
+  TimelineEntriesListParams,
+  LinkEndpointType,
+  ListMode,
+  TimelineChangeEvent,
+  TimelineEntryType,
+  WorkType,
+  WorksListParams,
+  Link,
+} from '@devrev/typescript-sdk-internal/dist/auto-generated/internal/private-internal-devrev-sdk';
+import { client } from '@devrev/typescript-sdk-internal';
+
+export interface GetInput {
+  object_id: string;
+}
+
+export class GetLastCodingActivity extends OperationBase {
+  constructor(e: FunctionInput) {
+    super(e);
+  }
+
+  async run(
+    context: OperationContext,
+    input: ExecuteOperationInput,
+    _resources: any,
+  ): Promise<OperationOutput> {
+    const inputData = input.data as GetInput;
+
+    // Validate input
+    if (!inputData.object_id || inputData.object_id === '') {
+      return OperationOutput.fromJSON({
+        error: {
+          message: 'No ID provided',
+          type: 'InvalidRequest',
+        },
+      });
+    }
+    console.log('Input object ID:', inputData.object_id);
+    console.log('Starting to get last coding activity for object ID:', inputData.object_id);
+
+    // Initialize the private DevRev SDK
+    const devrevSDK = client.setupInternal({
+      endpoint: context.devrev_endpoint,
+      token: context.secrets.access_token,
+    });
+
+    // Check if the object ID is that of an enhancement
+    let issueIDs: string[] = [];
+    if (inputData.object_id.toLowerCase().includes('enh')) {
+      console.log('Object ID is an enhancement');
+      const issueRequest: WorksListParams = {
+        type: [WorkType.Issue],
+        applies_to_part: [inputData.object_id],
+      };
+      while (true) {
+        console.log('Fetching issues for object:', inputData.object_id);
+        const issueResponse = await devrevSDK.worksList(issueRequest);
+        //console.log('Issue response:', issueResponse);
+        if (issueResponse.data?.works) {
+          for (const work of issueResponse.data.works) {
+            issueIDs.push(work.id);
+          }
+        }
+        if (!issueResponse.data?.next_cursor) {
+          break;
+        }
+        issueRequest.cursor = issueResponse.data.next_cursor;
+      }
+    } else {
+      console.log('Object ID is not an enhancement');
+      issueIDs.push(inputData.object_id);
+    }
+
+    let latestEpochTime = 0;
+    let codeChangeLinks: Link[] = [];
+
+    for (const issueID of issueIDs) {
+      try {
+        // Step 1: Fetch linked code_change objects using links.list
+        const linksListRequest: LinksListParams = {
+          object: issueID,
+          object_types: [LinkEndpointType.CodeChange],
+        };
+
+        while (true) {
+          console.log('Fetching links for object:', issueID);
+          const linksResponse = await devrevSDK.linksList(linksListRequest);
+          console.log('Links response:', linksResponse);
+          const entries = linksResponse.data?.links || [];
+          codeChangeLinks = [...codeChangeLinks, ...entries];
+          const next_cursor = linksResponse.data?.next_cursor;
+          if (next_cursor) {
+            linksListRequest.cursor = next_cursor;
+          } else {
+            break;
+          }
+        }
+
+
+        //For each code_change object, traverse the timeline to get the latest coding activity
+        for (const link of codeChangeLinks) {
+          try {
+            const timelineRequest: TimelineEntriesListParams = {
+              object: link.target.id,
+              mode: ListMode.Before,
+            };
+
+            while (true) {
+              const timelineResponse =
+                await devrevSDK.timelineEntriesList(timelineRequest);
+              console.log('Timeline response:', timelineResponse);
+              for (const entry of timelineResponse.data?.timeline_entries ||
+                []) {
+                if (entry.type == TimelineEntryType.TimelineChangeEvent) {
+                  const timelineChangeEvent = entry as TimelineChangeEvent;
+                  // Add null checks for nested properties
+                  const event = timelineChangeEvent.event;
+
+                  // Safely access the source_time_stamp
+                  let sourceTimeStamp: string | undefined;
+                  if (event) {
+                    try {
+                      // Use a safer approach to access the property by traversing the event object
+                      const eventObj = event as unknown as Record<string, any>;
+
+                      // Check if it's an annotated event with microflow_action
+                      if (eventObj['annotated']?.['microflow_action']?.['event_metadata']) {
+                        const metadata = eventObj['annotated']['microflow_action']['event_metadata'];
+                        // Find the source_time_stamp in the metadata array
+                        const timeStampEntry = metadata.find((item: any) => item.key === 'source_time_stamp');
+                        if (timeStampEntry) {
+                          sourceTimeStamp = timeStampEntry.value;
+                        }
+                      }
+
+                      // Fallback to previous methods if needed
+                      if (!sourceTimeStamp) {
+                        sourceTimeStamp = eventObj['source_time_stamp'] ||
+                          eventObj['data']?.['source_time_stamp'] ||
+                          eventObj['metadata']?.['keys']?.['source_time_stamp'];
+                      }
+
+                      console.log('Source time stamp:', sourceTimeStamp);
+                    } catch (error) {
+                      console.error('Error accessing source_time_stamp:', error);
+                    }
+                  }
+
+                  if (sourceTimeStamp) {
+                    console.log('Source time stamp:', sourceTimeStamp);
+                    const epochTime = new Date(sourceTimeStamp).getTime();
+                    if (epochTime && epochTime > latestEpochTime) {
+                      latestEpochTime = epochTime;
+                    }
+                  }
+                }
+              }
+
+              const next_cursor = timelineResponse.data?.next_cursor;
+              if (next_cursor) {
+                timelineRequest.cursor = next_cursor;
+              } else {
+                break;
+              }
+            }
+          } catch (error) {
+            console.error('Error fetching timeline entries:', error);
+          }
+        }
+      } catch (error) {
+        console.error('Error fetching links:', error);
+      }
+    }
+    if (codeChangeLinks.length === 0) {
+      console.log('No code_change objects linked to this object');
+      return OperationOutput.fromJSON({
+        summary: `No code_change objects linked to ${inputData.object_id}`,
+        output: {
+          values: [{ justification: `No code_change objects linked to this object ${inputData.object_id}` }],
+        } as OutputValue,
+      });
+    }
+
+    if (latestEpochTime === 0) {
+      console.log('No coding activity found for this object');
+      return OperationOutput.fromJSON({
+        summary: `No coding activity yet, linked to this object ${inputData.object_id}`,
+        output: {
+          values: [{ justification: `No coding activity yet, linked to this object ${inputData.object_id}` }],
+        } as OutputValue,
+      });
+    }
+
+    let latestSrcTime = new Date(latestEpochTime).toISOString();
+    console.log('Latest coding activity time:', latestSrcTime);
+    return OperationOutput.fromJSON({
+      summary: `Latest coding activity linked to ${inputData.object_id} happened at ${latestSrcTime}`,
+      output: {
+        values: [
+          {
+            last_coding_activity: [latestSrcTime],
+            justification: `Latest coding activity linked to ${inputData.object_id} happened at ${latestSrcTime}`,
+          },
+
+        ],
+      } as OutputValue,
+    });
+  }
+}
diff --git a/14-operations/code/src/functions/operation_handler/get_temperature.ts b/14-operations/code/src/functions/operation_handler/get_temperature.ts
deleted file mode 100644
index 475798d..0000000
--- a/14-operations/code/src/functions/operation_handler/get_temperature.ts
+++ /dev/null
@@ -1,60 +0,0 @@
-import { client, publicSDK } from '@devrev/typescript-sdk';
-import {
-  Error as OperationError,
-  Error_Type,
-  ExecuteOperationInput,
-  FunctionInput,
-  OperationBase,
-  OperationContext,
-  OperationOutput,
-  OutputValue,
-} from '@devrev/typescript-sdk/dist/snap-ins';
-
-interface GetTemperatureInput {
-  city: string;
-}
-
-export class GetTemperature extends OperationBase {
-  constructor(e: FunctionInput) {
-    super(e);
-  }
-
-  // This is optional and can be used to provide any extra context required.
-  override GetContext(): OperationContext {
-    let baseMetadata = super.GetContext();
-    const temperatures: Record<string, number> = {
-      'New York': 72,
-      'San Francisco': 65,
-      Seattle: 55,
-      'Los Angeles': 80,
-      Chicago: 70,
-      Houston: 90,
-    };
-
-    return {
-      ...baseMetadata,
-      metadata: temperatures,
-    };
-  }
-
-  async run(_context: OperationContext, input: ExecuteOperationInput, _resources: any): Promise<OperationOutput> {
-    const input_data = input.data as GetTemperatureInput;
-
-    const temperature = _context.metadata ? _context.metadata[input_data.city] : null;
-
-    let err: OperationError | undefined = undefined;
-    if (!temperature) {
-      err = {
-        message: 'City not found',
-        type: Error_Type.InvalidRequest,
-      };
-    }
-    const temp = {
-      error: err,
-      output: {
-        values: [{ "temperature": temperature }],
-      } as OutputValue,
-    }
-    return OperationOutput.fromJSON(temp);
-  }
-}
diff --git a/14-operations/code/src/functions/operation_handler/index.ts b/14-operations/code/src/functions/operation_handler/index.ts
index 32ce626..90a0568 100644
--- a/14-operations/code/src/functions/operation_handler/index.ts
+++ b/14-operations/code/src/functions/operation_handler/index.ts
@@ -2,18 +2,14 @@ import { OperationFactory } from '../../operations';
 import { ExecuteOperationInput,FunctionInput, OperationMap } from '@devrev/typescript-sdk/dist/snap-ins';
 
 // Operations
-import { GetTemperature } from './get_temperature';
-import { PostCommentOnTicket } from './post_comment_on_ticket';
-import { SendSlackMessage } from './send_slack_message';
+import { GetLastCodingActivity } from './get_last_coding_activity';
 
 /**
  * Map of operations with the slug mentioned in the manifest.
  * The key is the slug of the operation mentioned in the manifest and value is the operation class.
  */
 const operationMap: OperationMap = {
-  get_temperature: GetTemperature,
-  post_comment_on_ticket: PostCommentOnTicket,
-  send_slack_message: SendSlackMessage,
+  get_last_coding_activity: GetLastCodingActivity,
 };
 
 export const run = async (events: FunctionInput[]) => {
diff --git a/14-operations/code/src/functions/operation_handler/post_comment_on_ticket.ts b/14-operations/code/src/functions/operation_handler/post_comment_on_ticket.ts
deleted file mode 100644
index e8ef4c2..0000000
--- a/14-operations/code/src/functions/operation_handler/post_comment_on_ticket.ts
+++ /dev/null
@@ -1,85 +0,0 @@
-import { client } from '@devrev/typescript-sdk';
-import { TimelineEntriesCreateRequestType } from '@devrev/typescript-sdk/dist/auto-generated/beta/beta-devrev-sdk';
-import {
-  Error as OperationError,
-  Error_Type,
-  ExecuteOperationInput,
-  FunctionInput,
-  OperationBase,
-  OperationContext,
-  OperationOutput,
-  OutputValue,
-} from '@devrev/typescript-sdk/dist/snap-ins';
-
-interface PostCommentOnTicketInput {
-  id: string;
-  comment: string;
-}
-
-export class PostCommentOnTicket extends OperationBase {
-  constructor(e: FunctionInput) {
-    super(e);
-  }
-
-  async run(context: OperationContext, input: ExecuteOperationInput, _resources: any): Promise<OperationOutput> {
-    const input_data = input.data as PostCommentOnTicketInput;
-    const ticket_id = input_data.id;
-    const comment = input_data.comment;
-
-    let err: OperationError | undefined = undefined;
-    if (!ticket_id) {
-      err = {
-        message: 'Ticket ID not found',
-        type: Error_Type.InvalidRequest,
-      };
-    }
-
-    const endpoint = context.devrev_endpoint;
-    const token = context.secrets.access_token;
-
-    const devrevBetaClient = client.setupBeta({
-      endpoint: endpoint,
-      token: token,
-    });
-    let ticket;
-    try {
-      const ticketResponse = await devrevBetaClient.worksGet({
-        id: ticket_id,
-      });
-      console.log(JSON.stringify(ticketResponse.data));
-      ticket = ticketResponse.data.work;
-    } catch (e: any) {
-      err = {
-        message: 'Error while fetching ticket details:' + e.message,
-        type: Error_Type.InvalidRequest,
-      };
-      return OperationOutput.fromJSON({
-        error: err,
-      });
-    }
-
-    try {
-      const timelineCommentResponse = await devrevBetaClient.timelineEntriesCreate({
-        body: comment,
-        type: TimelineEntriesCreateRequestType.TimelineComment,
-        object: ticket.id,
-      });
-      console.log(JSON.stringify(timelineCommentResponse.data));
-      let commentID = timelineCommentResponse.data.timeline_entry.id;
-      return OperationOutput.fromJSON({
-        error: err,
-        output: {
-          values: [{ comment_id: commentID }],
-        } as OutputValue,
-      });
-    } catch (e: any) {
-      err = {
-        message: 'Error while posting comment:' + e.message,
-        type: Error_Type.InvalidRequest,
-      };
-      return OperationOutput.fromJSON({
-        error: err,
-      });
-    }
-  }
-}
diff --git a/14-operations/code/src/functions/operation_handler/send_slack_message.ts b/14-operations/code/src/functions/operation_handler/send_slack_message.ts
deleted file mode 100644
index 91a0514..0000000
--- a/14-operations/code/src/functions/operation_handler/send_slack_message.ts
+++ /dev/null
@@ -1,86 +0,0 @@
-import { client } from '@devrev/typescript-sdk';
-import { TimelineEntriesCreateRequestType } from '@devrev/typescript-sdk/dist/auto-generated/beta/beta-devrev-sdk';
-import {
-  Error as OperationError,
-  Error_Type,
-  ExecuteOperationInput,
-  FunctionInput,
-  OperationBase,
-  OperationContext,
-  OperationOutput,
-  OutputValue,
-} from '@devrev/typescript-sdk/dist/snap-ins';
-
-import { WebClient } from '@slack/web-api';
-
-interface SendSlackMessageInput {
-  channel: string;
-  message: string;
-}
-
-export class SendSlackMessage extends OperationBase {
-  constructor(e: FunctionInput) {
-    super(e);
-  }
-  async run(context: OperationContext, input: ExecuteOperationInput, resources: any): Promise<OperationOutput> {
-    const input_data = input.data as SendSlackMessageInput;
-    const channel_id = input_data.channel;
-    const comment = input_data.message;
-
-    let err: OperationError | undefined = undefined;
-    if (!channel_id) {
-      err = {
-        message: 'Channel ID not found',
-        type: Error_Type.InvalidRequest,
-      };
-    }
-
-    console.log("context:", context);
-   
-    const slack_token =  resources.keyrings.slack_token.secret;
-    let slackClient;
-    try {
-      console.log('Creating slack client');
-      slackClient = new WebClient(slack_token);
-      console.log('Slack client created');
-    } catch (e: any) {
-      console.log('Error while creating slack client:', e.message);
-      err = {
-        message: 'Error while creating slack client:' + e.message,
-        type: Error_Type.InvalidRequest,
-      };
-      return OperationOutput.fromJSON({
-        error: err,
-        output: {
-          values: [],
-        } as OutputValue,
-      });
-    }
-    console.log('Sending message to slack channel:', channel_id);
-    try {
-      const result = await slackClient.chat.postMessage({
-        channel: channel_id,
-        text: comment,
-      });
-      console.log('Message sent: ', result.ts);
-      return OperationOutput.fromJSON({
-        error: err,
-        output: {
-          values: [{ message_id: result.ts }],
-        } as OutputValue,
-      });
-    } catch (e: any) {
-      console.log('Error while sending message:', e.message);
-      err = {
-        message: 'Error while sending message:' + e.message,
-        type: Error_Type.InvalidRequest,
-      };
-      return OperationOutput.fromJSON({
-        error: err,
-        output: {
-          values: [],
-        } as OutputValue,
-      });
-    }
-  }
-}
diff --git a/14-operations/manifest.yaml b/14-operations/manifest.yaml
index 7f9ebba..92bfda5 100644
--- a/14-operations/manifest.yaml
+++ b/14-operations/manifest.yaml
@@ -1,98 +1,45 @@
 version: "2"
-name: "Operations"
-description: "Pack of operations"
+name: "Risk prediction"
+description: "Risk prediction operations"
 
 service_account:
-  display_name: Operations Bot
+  display_name: Latest coding activity
 
 functions:
   - name: operation_handler
     description: function to handle operations
 
 operations:
-  - name: get_temperature
-    display_name: Get Temperature
-    description: Operation to get the temperature of a city
-    slug: get_temperature
+  - name: get_last_coding_activity
+    display_name: Last coding timestamp for an object
+    description: Node that retrieves the last coding activity of an issue or an enhancement
+    slug: get_last_coding_activity
     function: operation_handler
     type: action
     # Inputs to the operation.
     inputs:
       fields:
-        - name: city
-          field_type: enum
-          allowed_values:
-          - New York
-          - San Francisco
-          - Los Angeles
-          - Chicago
-          - Houston
+        - name: object_id
+          description: Object ID to retrieve last coding activity for.
+          field_type: id
+          id_type:
+          - enhancement
+          - issue
           is_required: true
-          default_value: "New York"
           ui:
-            display_name: City
+            display_name: Object ID
+
     #  Outputs of the operation.
     outputs:
       fields:
-        - name: temperature
-          field_type: double
+        - name: last_coding_activity
+          field_type: timestamp
           ui:
-            display_name: Temperature
-  - name: post_comment_on_ticket
-    display_name: Post Comment on Ticket
-    description: Operation to post a comment on ticket
-    slug: post_comment_on_ticket
-    function: operation_handler
-    type: action
-    inputs:
-      fields:
-        - name: id
-          description: Ticket ID to post comment on.
+            display_name: Last coding activity
+        - name: justification
+          description: Justification for the operation.
           field_type: text
           is_required: true
           ui:
-            display_name: Ticket ID
-        - name: comment
-          description: Comment to post on ticket.
-          field_type: text
-          is_required: true
-          ui:
-            display_name: Comment
-    outputs:
-      fields:
-        - name: comment_id
-          field_type: text
-          ui:
-            display_name: Comment ID
-  - name: send_slack_message
-    display_name: Send Slack Message
-    description: Operation to send a message to a Slack channel/thread
-    slug: send_slack_message
-    function: operation_handler
-    type: action
-    keyrings:
-      - name: slack_token
-        display_name: Slack Connection
-        description: Connection to Slack
-        types:
-          - slack
-    inputs:
-      fields:
-        - name: channel
-          description: Channel to send message to.
-          field_type: text
-          is_required: true
-          ui:
-            display_name: Channel
-        - name: message
-          description: Message to send.
-          field_type: rich_text
-          is_required: true
-          ui:
-            display_name: Message
-    outputs:
-      fields:
-        - name: message_id
-          field_type: text
-          ui:
-            display_name: Message ID
+            display_name: Justification
+            placeholder: Justification for the operation