2018.1

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A placeholder for the value of the data field shows up in the text. It looks as follows:
@FIELDNAME@.
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A text script appears in the Scripts pane at the bottom left.
A text script replaces placeholders in the content with the value of a data field in the current
record.
Switch to the Preview tab at the bottom of the workspace to see the script in operation. The
value of the corresponding data field in the first record appears instead of the placeholder,
everywhere where the placeholder is found in the text. This value will be refreshed when you
browse through the records in the Data Model pane.
When the output (the letter, email, etc.) is generated, the text script executes for each record in
the record set, and each time it replaces the placeholders by the value of the field in the current
record.
In the Scripts pane you can see that the script has a name and a selector.
The drag-and-drop method automatically generates a script that is named after the data field
(see the first column of the Scripts pane).
The selector (in the second column in the Scripts pane) is the text that the script will replace.
The selector that the drag-and-drop method generates for a script, is the same as the
placeholder that is placed in the text.
When you drag the same field to the content again, a second placeholder appears in the text,
but no new script is added. The existing script will find and replace all placeholders that match
its selector.
Tip
Press the Alt key while dragging, to wrap the placeholder in a span, give the span an ID
and have that ID used as the script's selector.
Press the Ctrl key while dragging, to wrap the placeholder in an absolute positioned box
(a div) at the cursor position. A unique ID is assigned to the box and used as the script's
selector. This method is particularly useful when the document mainly consists of a PDF
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