How to insert a form link in a homepage message?

In the context of a challenge for example, it may be interesting to create a homepage message that presents the challenge, and that allows by clicking on the message to declare a new initiative on this plan.

This requires adding a URL to the homepage message. This URL corresponds to the form for submitting an initiative with the plan already filled in.

To add the link to your homepage message  

1. Go to the plan/challenge concerned
2. Click on the "+ New initiative" button
3. Copy the URL of the page displayed
   
   
4. Go to Administration > Application management >Homepage messages
5. Click on "New homepage message" via the "+" button
6. Create your message as you wish and paste the previously copied URL into the "URL" field
   
   
   
   
   
   
7. Click on "Save" at the bottom of the page.