ServiceNow App Engine Studio Best Practices for Maintainable Apps
Use these ServiceNow App Engine Studio best practices to plan the data model, control access, govern citizen developers, test, and deploy apps safely.
Read guidePractical guides, useful scripts, and lessons from working with the platform. A little less figuring it out. A little more getting it done.
A targeted query is a good place to start.
// Only the records you need
var incidents = new GlideRecord('incident');
incidents.addQuery('active', true);
incidents.setLimit(10);
incidents.query();Read the query performance guide 
The notebook
Use these ServiceNow App Engine Studio best practices to plan the data model, control access, govern citizen developers, test, and deploy apps safely.
Read guideInstall and validate a ServiceNow MID Server, configure its key parameters, and troubleshoot a MID Server that is down, stuck, or failing its jobs.
Read guideLearn how ServiceNow update sets work, what they capture, and how to name, batch, preview, and commit them so changes reach production without surprises.
Read guideThe script library
75 ServiceNow examples across client scripts, business rules, integrations, and more. Find a pattern, understand it, and adapt it to your instance.
Open the script libraryHave a ServiceNow question or a project in mind?