Select a data location.
To use data in an attribute, select Attribute. Select the attribute from the Attributes list. To view attributes in a different block, select the block from the Blocks list.
To use data in an object data table, select Object Data. Select the field from the Object Data Fields list. To view fields in a different table, select the table from the Tables list.
To use data in link data stored on an object, select Database Link. Select the column from the Key Columns list. To view columns in a different link template, select the link template from the list.