Moodle 3.x Developer's Guide

XMLDB editor

Finally, we need to implement the means by which the necessary database tables are created at install time: the install.xml file. This is done through a special built-in tool called XMLDB Editor--see https://docs.moodle.org/dev/XMLDB_editor. In Moodle, from the Administration block, click on Site administration, slide down to Development, and then click on XMLDB editor. A list of all the installed modules will appear--including our wavefront module:

Click on [Create] to create a new install.xml file. Next, we need to click on [Load] to load the file (even though it is currently empty) and then click on [Edit] to begin to author ...