This section contains the following:
•Message: to be posted to the wall of the account defined by the Facebook channel. A mandatory, multi-line text field, the message can be a maximum of 2000 characters.
•Picture: this is shown alongside the link in the posted wall message. A dropdown field, it exposes the following values:
o Don't display a picture (default)
o Display picture from URL: if this value is selected, a text field is displayed within which you can specify a picture URL. The field is mandatory and can be a maximum length of 1000 characters. The value entered must be a valid URI.
o Display picture using an image asset: if this value is selected, an image asset field is displayed. Provision of an image asset is mandatory. You can browse for an image asset; only asset files are displayed in the File System Dialog, and if you select a non-image asset, a warning message is displayed. You can also populate by dragging an image asset from toolbox and dropping it directly onto the field. Once you have selected an image asset, you can clear it. You may also open its latest version in the Asset Designer.
Note that you can use an external image to populate the Facebook offer’s image asset.