Users can follow the below steps to publish their content using the content templates:

1. In the top-right corner of the Navigation Bar, click the Publishing Options icon and select Create Message.

2. In the Overview section, Select the Account Type under which the content template was created within the Channel section. 

3. Select your content template from the Template drop-down.

4. Once you have selected your content template, you will be able to preview the template on the right-side pane. 

5. Fill in remaining details in the Overview, Content, and Scheduling and Targeting sections. Fields will vary based on your Account Type and Template selected.

6. Review your message and choose to Save as Draft or Schedule it for release according to your need. Find more information about creating a Message here.