brotherton-erpnext/erpnext/docs/user/manual/en/CRM/setup/campaign.md

A Campaign is a full-scale implementation of a sales strategy to promote a
product or a service. This is done in a market segment of a particular
geographical area, to achieve specified objectives.

<img class="screenshot" alt="Campaign" src="{{docs_base_url}}/assets/img/crm/campaign.png">

You can track [Lead]({{docs_base_url}}/user/manual/en/CRM/lead.html), [Opportunity]({{docs_base_url}}/user/manual/en/CRM/opportunity.html), [Quotation]({{docs_base_url}}/user/manual/en/selling/quotation.html) against a campaign.

###Track Leads against Campaign

* To track a 'Lead' against a campaign select 'View Leads'.

<img class="screenshot" alt="Campaign - View Leads" src="{{docs_base_url}}/assets/img/crm/campaign-view-leads.png">

* You shall get a filtered list of all leads made against that campaign.
* You can also create new leads by clicking 'New'

<img class="screenshot" alt="Campaign - New Lead" src="{{docs_base_url}}/assets/img/crm/campaign-new-lead.png">

{next}