This multi-part blog will lead you through the process of creating a custom SharePoint 2007 event handler.
For Part 1 see this link - Part 2.
For Part 2 see this link - Part 3.
For Part 4 see this link - Part 4.
1. Custom SharePoint event handlers are a powerful tool for any SharePoint solution. Essentially custom event handlers replace the default SharePoint list or library event handler behavior with more advanced and powerful behaviors. Custom event handlers add several capabilities to your list event, some of the capabilities you’ll want to explore include the following:
a. Extracting information from an e-mail sent to the list or library
b. Extracting information from another SharePoint list
c. Adding information to a SharePoint list
d. Performing calculations with SharePoint data
e. Starting a list or library workflow
2. Before you begin to design a custom event handler you will need two things a server environment, and a development environment. (To set up you own server environment see this article, and to set up your own development environment see this article). Assuming you already have these environments and they are configured as described in the articles above, let’s proceed with our development.
3. For our task we want to create a custom e-mail event handler. This e-mail event handler will allow us to task someone to answer e-mails that are sent to a SharePoint list. Basically, this event handler will create a list item in the Inbox list, calculate the due date for the response to the e-mail, and trigger a workflow that creates the response task.
4. Before we can develop we need to 1). Define functional requirements, 2). Define technical requirements, and 3). Design the solution, so let’s take it step by step. The functional requirements for our event handler are stated below:
a. When an e-mail is received create a new Inbox list item
b. Calculate the due date, which will be two business days from the date received to include accounting for weekends and holidays (holidays are determined by the Holiday list)
c. Trigger a workflow that creates the response task (task are created in the Task list)
5. The technical requirements for our event handler are stated below:
a. Create an Inbox list that is configured to receive e-mail, the structure of the e-mail list is shown below:
b. Create a Holidays list that is configure to capture holiday metadatathe structure of the e-holiday list is shown below:
c. Create a Task list that is configured to capture user tasksthe structure of the task list is shown below:
d. Create a SharePoint Designer workflow createTask that is designed to create a task in the Task list
e. Override the standard e-mail received event
f. Determine the site context
g. Capture the e-mail metadata
h. Calculate the due date using data from the Holidays list
i. Create a new list item in the Inbox list
j. Trigger the createTask workflow
6. Now using Visio we will create a very simple design, keep in mind this design is for explaining the event handler to our customers, not our fellow software engineers, so we will use the following simple block diagram:
7. Now we are all set to begin our development, which is where the next part of this article will begin.
I hope that helps, and I will write more soon!
For Part 1 see this link - Part 2.
For Part 2 see this link - Part 3.
For Part 4 see this link - Part 4.
1. Custom SharePoint event handlers are a powerful tool for any SharePoint solution. Essentially custom event handlers replace the default SharePoint list or library event handler behavior with more advanced and powerful behaviors. Custom event handlers add several capabilities to your list event, some of the capabilities you’ll want to explore include the following:
a. Extracting information from an e-mail sent to the list or library
b. Extracting information from another SharePoint list
c. Adding information to a SharePoint list
d. Performing calculations with SharePoint data
e. Starting a list or library workflow
2. Before you begin to design a custom event handler you will need two things a server environment, and a development environment. (To set up you own server environment see this article, and to set up your own development environment see this article). Assuming you already have these environments and they are configured as described in the articles above, let’s proceed with our development.
3. For our task we want to create a custom e-mail event handler. This e-mail event handler will allow us to task someone to answer e-mails that are sent to a SharePoint list. Basically, this event handler will create a list item in the Inbox list, calculate the due date for the response to the e-mail, and trigger a workflow that creates the response task.
4. Before we can develop we need to 1). Define functional requirements, 2). Define technical requirements, and 3). Design the solution, so let’s take it step by step. The functional requirements for our event handler are stated below:
a. When an e-mail is received create a new Inbox list item
b. Calculate the due date, which will be two business days from the date received to include accounting for weekends and holidays (holidays are determined by the Holiday list)
c. Trigger a workflow that creates the response task (task are created in the Task list)
5. The technical requirements for our event handler are stated below:
a. Create an Inbox list that is configured to receive e-mail, the structure of the e-mail list is shown below:
b. Create a Holidays list that is configure to capture holiday metadatathe structure of the e-holiday list is shown below:
c. Create a Task list that is configured to capture user tasksthe structure of the task list is shown below:
d. Create a SharePoint Designer workflow createTask that is designed to create a task in the Task list
e. Override the standard e-mail received event
f. Determine the site context
g. Capture the e-mail metadata
h. Calculate the due date using data from the Holidays list
i. Create a new list item in the Inbox list
j. Trigger the createTask workflow
6. Now using Visio we will create a very simple design, keep in mind this design is for explaining the event handler to our customers, not our fellow software engineers, so we will use the following simple block diagram:
7. Now we are all set to begin our development, which is where the next part of this article will begin.
I hope that helps, and I will write more soon!
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