Improved documentation for file export

Author: mullen2

docs-md/UserGuide3.md

@@ -12,14 +12,22 @@ PHPCap's __RedCapProject__ class provides the following 3 methods for exporting
 3. __exportReports__ - method that exports the records produced by a report that
                        is defined for the project in REDCap.
 
-The detailed documentation for the RedCapProject class can be found in the PHPCap API documentation:
-[RedCapProject Class](api/classes/IU-PHPCap-RedCapProject.html)
-
-__Batch Processing__. The methods above return all of their records at once, but
+**Batch Processing.** The methods above return all of their records at once, but
 the method __getRecordIdBatches__ can be used with the first 2 methods above
 to export records in batches. This will cut down on the memory requirements of the export, which
 can be useful for exporting the records from very large projects.
 
+**Files.** When records are exported, the contents of any files in those records will
+*not* be exported. To export files,
+you need to use the
+[exportFile](api/classes/IU-PHPCap-RedCapProject.html#method_exportFile)
+method. This method can only export a single file, so if you want to
+export multiple files, you will need to call the method multiple times.
+
+The detailed documentation for the **RedCapProject** class can be found in the PHPCap API documentation:
+[RedCapProject Class](api/classes/IU-PHPCap-RedCapProject.html)
+
+
 exportRecords
 ---------------------------
 The exportRecords method is a standard PHP method that has 12 parameters that can
@@ -141,3 +149,4 @@ above might return, for example:
 ```
 
 API documentation: [getRecorIdBatches()](api/classes/IU-PHPCap-RedCapProject.html#method_getRecordIdBatches)
+

docs/UserGuide3.html

@@ -47,12 +47,18 @@ <h1>User Guide 3 - Exporting Records</h1>
 <li><strong>exportReports</strong> - method that exports the records produced by a report that
 is defined for the project in REDCap.</li>
 </ol>
-<p>The detailed documentation for the RedCapProject class can be found in the PHPCap API documentation:
-<a href="api/classes/IU-PHPCap-RedCapProject.html">RedCapProject Class</a></p>
-<p><strong>Batch Processing</strong>. The methods above return all of their records at once, but
+<p><strong>Batch Processing.</strong> The methods above return all of their records at once, but
 the method <strong>getRecordIdBatches</strong> can be used with the first 2 methods above
 to export records in batches. This will cut down on the memory requirements of the export, which
 can be useful for exporting the records from very large projects.</p>
+<p><strong>Files.</strong> When records are exported, the contents of any files in those records will
+<em>not</em> be exported. To export files,
+you need to use the
+<a href="api/classes/IU-PHPCap-RedCapProject.html#method_exportFile">exportFile</a>
+method. This method can only export a single file, so if you want to
+export multiple files, you will need to call the method multiple times.</p>
+<p>The detailed documentation for the <strong>RedCapProject</strong> class can be found in the PHPCap API documentation:
+<a href="api/classes/IU-PHPCap-RedCapProject.html">RedCapProject Class</a></p>
 <h2 id="exportRecords">exportRecords</h2>
 <p>The exportRecords method is a standard PHP method that has 12 parameters that can
 be set to modify the records that are exported and their format.</p>