diff --git a/ChangeLog.md b/ChangeLog.md
index 623edec..15cfeff 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## v0.0.2.3
+
+### New Features
+
+- Task: add non static methods: get_workflow, close, approve, reject, cancel, create
+- Workflow: add non static methods: create_task
+
 ## v0.0.2.2
 
 ### New Features
diff --git a/README.md b/README.md
index a2ea1d6..6101e6a 100644
--- a/README.md
+++ b/README.md
@@ -29,6 +29,7 @@ This module is used to interact with the Xurrent API. It provides a set of class
 ```
 
 ### Requests
+
 ```python
     from xurrent.requests import Request
 
@@ -104,4 +105,19 @@ This module is used to interact with the Xurrent API. It provides a set of class
     "subject": "Example Subject"
     })
 
+    # get workflow of task (use expand: True to get the full workflow object)
+    workflow = task.get_workflow(expand=True)
+    # or statically
+    workflow = Task.get_workflow_by_template_id(x_api_helper, <id>, expand=True)
+
+    # close
+    task.close()
+    #cancel
+    task.cancel() # only possible before the task is started
+    #reject
+    task.reject()
+    #approve
+    task.approve()
+
+
 ```
diff --git a/pyproject.toml b/pyproject.toml
index 86a5ab7..5159cfa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "xurrent"
-version = "0.0.2.2"
+version = "0.0.2.3"
 authors = [
   { name="Fabian Steiner", email="fabian@stei-ner.net" },
 ]
diff --git a/src/xurrent/tasks.py b/src/xurrent/tasks.py
index 7ba48a2..ae5df7c 100644
--- a/src/xurrent/tasks.py
+++ b/src/xurrent/tasks.py
@@ -14,8 +14,20 @@ class TaskPredefinedFilter(str, Enum):
     assigned_to_me = "assigned_to_me"  # List all tasks that are assigned to the API user
     approval_by_me = "approval_by_me"  # List all approval tasks that are assigned to the API user and which status is different from ‘Registered’
 
-
-
+class TaskStatus(str, Enum):
+    registered = "registered"  # Registered
+    declined = "declined"  # Declined
+    assigned = "assigned"  # Assigned
+    accepted = "accepted"  # Accepted
+    in_progress = "in_progress"  # In Progress
+    waiting_for = "waiting_for"  # Waiting for…
+    waiting_for_customer = "waiting_for_customer"  # Waiting for Customer
+    request_pending = "request_pending"  # Request Pending
+    failed = "failed"  # Failed
+    rejected = "rejected"  # Rejected
+    completed = "completed"  # Completed
+    approved = "approved"  # Approved
+    canceled = "canceled"  # Canceled
 
 
 class Task():
@@ -61,7 +73,7 @@ def get_tasks(cls, connection_object: XurrentApiHelper, predefinedFilter: TaskPr
         if predefinedFilter:
             uri = f'{uri}/{predefinedFilter}'
         if queryfilter:
-            uri = f'{uri}?{queryfilter}'
+            uri += '?' + self._connection_object.create_filter_string(queryfilter)
         return connection_object.api_call(uri, 'GET')
 
     @staticmethod
@@ -71,6 +83,15 @@ def get_workflow_of_task(connection_object: XurrentApiHelper, id, expand: bool =
             return Workflow.get_by_id(connection_object, task.workflow.id)
         return Workflow.from_data(connection_object, task.workflow)
 
+    def get_workflow(self, expand: bool = False) -> Workflow:
+        if task.workflow and not expand:
+            return Workflow.from_data(self._connection_object, self.workflow)
+        elif task.workflow and expand:
+            return Workflow.get_by_id(self._connection_object, self.workflow.id)
+        elif not task.workflow:
+            return Task.get_workflow_of_task(self._connection_object, self.id, expand)
+
+
     @staticmethod
     def update_by_id(connection_object: XurrentApiHelper, id, data) -> T:
         task = Task(connection_object=connection_object, id=id)
@@ -81,3 +102,74 @@ def update(self, data) -> T:
         response = self._connection_object.api_call(uri, 'PATCH', data)
         self.__update_object__(response)
         return self
+
+    def close(self, note: str = None, member_id: int = None) -> T:
+        """
+        Close the task.
+
+        :param note: Note to add to the task
+        :param member_id: ID of the member who should close the task
+        """
+        if(self.category == "approval"):
+            raise ValueError("Approval tasks cannot be closed. Use the 'approve' or 'reject' method instead.")
+        return self.update({
+            'status': 'completed',
+            'note': note or "Task closed by API user",
+            'member_id': member_id or self._connection_object.api_user.id
+        })
+
+    def approve(self, note: str = None, member_id: int = None) -> T:
+        """
+        Approve the task.
+
+        :param note: Note to add to the task
+        :param member_id: ID of the member who should approve the task
+        """
+        if(self.category != "approval"):
+            raise ValueError("Only approval tasks can be approved.")
+        return self.update({
+            'status': 'approved',
+            'note': note or "Task approved by API user",
+            'member_id': member_id or self._connection_object.api_user.id
+        })
+    
+    def reject(self, note: str = None, member_id: int = None) -> T:
+        """
+        Reject the task.
+
+        :param note: Note to add to the task
+        :param member_id: ID of the member who should reject the task
+        """
+
+        if(self.category != "approval"):
+            raise ValueError("Only approval tasks can be rejected.")
+        return self.update({
+            'status': 'rejected',
+            'note': note or "Task rejected by API user",
+            'member_id': member_id or self._connection_object.api_user.id
+        })
+
+    def cancel(self, note: str = None, member_id: int = None) -> T:
+        """
+        Cancel the task.
+
+        :param note: Note to add to the task
+        :param member_id: ID of the member who should cancel the task
+        """
+        return self.update({
+            'status': 'canceled',
+            'note': note or "Task canceled by API user",
+            'member_id': member_id or self._connection_object.api_user.id
+        })
+    
+    @classmethod
+    def create(cls, connection_object: XurrentApiHelper, workflowID: int,data: dict) -> T:
+        """
+        Create a new task.
+
+        :param workflowID: ID of the workflow to create the task in
+        :param data: Data to create the task with
+        """
+        uri = f'{connection_object.base_url}/workflows/{workflowID}/{cls.resourceUrl}'
+        response = connection_object.api_call(uri, 'POST', data)
+        return cls.from_data(connection_object, response)
diff --git a/src/xurrent/workflows.py b/src/xurrent/workflows.py
index 004aebd..ed5c987 100644
--- a/src/xurrent/workflows.py
+++ b/src/xurrent/workflows.py
@@ -147,6 +147,13 @@ def create(cls, connection_object: XurrentApiHelper, data: dict):
         response = connection_object.api_call(uri, 'POST', data)
         return cls.from_data(connection_object, response)
 
+    def create_task(self, data: dict):
+        """
+        Create a new task associated with the current workflow instance.
+        """
+        from .tasks import Task
+        return Task.create(self._connection_object, self.id, data)
+
     def close(self, note="closed.", completion_reason=WorkflowCompletionReason.complete):
         """
         Close the current workflow instance.