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docs/how-to/Sequential.md
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---
title: Implementing the Sequential Process in CrewAI
description: A guide to utilizing the sequential process for task execution in CrewAI projects.
title: Using the Sequential Processes in crewAI
description: A comprehensive guide to utilizing the sequential processe for task execution in crewAI projects.
---
## Introduction
The sequential process in CrewAI ensures tasks are executed one after the other, following a linear progression. This approach is akin to a relay race, where each agent completes their task before passing the baton to the next.
CrewAI offers a flexible framework for executing tasks in a structured manner, supporting both sequential and hierarchical processes. This guide outlines how to effectively implement these processes to ensure efficient task execution and project completion.
## Sequential Process Overview
This process is straightforward and effective, particularly for projects where tasks must be completed in a specific order to achieve the desired outcome.
The sequential process ensures tasks are executed one after the other, following a linear progression. This approach is ideal for projects requiring tasks to be completed in a specific order.
### Key Features
- **Linear Task Flow**: Tasks are handled in a predetermined sequence, ensuring orderly progression.
- **Simplicity**: Ideal for projects with clearly defined, step-by-step tasks.
- **Easy Monitoring**: Task completion can be easily tracked, offering clear insights into project progress.
- **Linear Task Flow**: Ensures orderly progression by handling tasks in a predetermined sequence.
- **Simplicity**: Best suited for projects with clear, step-by-step tasks.
- **Easy Monitoring**: Facilitates easy tracking of task completion and project progress.
## Implementing the Sequential Process
To apply the sequential process, assemble your crew and define the tasks in the order they need to be executed.
!!! note "Task assignment"
In the sequential process you need to make sure all tasks are assigned to the agents, as the agents will be the ones executing them.
Assemble your crew and define tasks in the order they need to be executed.
```python
from crewai import Crew, Process, Agent, Task
# Define your agents
researcher = Agent(role='Researcher', goal='Conduct foundational research')
analyst = Agent(role='Data Analyst', goal='Analyze research findings')
writer = Agent(role='Writer', goal='Draft the final report')
researcher = Agent(
role='Researcher',
goal='Conduct foundational research',
backstory='An experienced researcher with a passion for uncovering insights'
)
analyst = Agent(
role='Data Analyst',
goal='Analyze research findings',
backstory='A meticulous analyst with a knack for uncovering patterns'
)
writer = Agent(
role='Writer',
goal='Draft the final report',
backstory='A skilled writer with a talent for crafting compelling narratives'
)
# Define the tasks in sequence
research_task = Task(description='Gather relevant data', agent=researcher)
analysis_task = Task(description='Analyze the data', agent=analyst)
writing_task = Task(description='Compose the report', agent=writer)
research_task = Task(description='Gather relevant data...', agent=researcher)
analysis_task = Task(description='Analyze the data...', agent=analyst)
writing_task = Task(description='Compose the report...', agent=writer)
# Form the crew with a sequential process
report_crew = Crew(
@@ -42,9 +52,9 @@ report_crew = Crew(
```
### Workflow in Action
1. **Initial Task**: The first agent completes their task and signals completion.
2. **Subsequent Tasks**: Following agents pick up their tasks in the order defined, using the outcomes of preceding tasks as inputs.
3. **Completion**: The process concludes once the final task is executed, culminating in the project's completion.
1. **Initial Task**: In a sequential process, the first agent completes their task and signals completion.
2. **Subsequent Tasks**: Agents pick up their tasks based on the process type, with outcomes of preceding tasks or manager directives guiding their execution.
3. **Completion**: The process concludes once the final task is executed, leading to project completion.
## Conclusion
The sequential process in CrewAI provides a clear, straightforward path for task execution. It's particularly suited for projects requiring a logical progression of tasks, ensuring each step is completed before the next begins, thereby facilitating a cohesive final product.