
Referencing Child Element Attributes in PI AF Analytics
Learn the essential syntax for referencing attributes of child elements within PI AF Analytics, enabling powerful ad-hoc calculations on your asset hierarchies.
Rafael Costa
Tags
About Rafael Costa
Expert in PI System implementation, industrial automation, and data management. Passionate about helping organizations maximize the value of their process data through innovative solutions and best practices.
Still have questions?
Try PiChat — PISharp's free AI assistant for PI System professionals. Get instant answers about anything PI.
Related Questions
No comments yet
Be the first to share your thoughts on this article.
Stay Updated
Get PI System insights in your inbox
Free · No spam · Weekly
Join 70+ PI professionals
- Free AI chat assistant
- Community discussions
- Expert articles
Related Articles

Unraveling PI System Moving Averages: Interpolation, Stepped Tags, and Accurate Calculations
Unravel the mystery behind perplexing PI System moving averages, especially with step-like data. Learn how PI Point interpolation and the 'Stepped' attribute impact calculations and best practices for accurate real-time averages.
Megan Tremblay

C# Required Properties: Enforcing Nullability in PI System Applications
Learn how to enforce required and non-nullable properties in C# applications for PI System integration, leveraging modern C# 8.0+ features for compile-time validation.
Yuki Tanaka

Calculating Yesterday's PI Tag Averages in PI AF: A How-To Guide
Learn step-by-step how to configure PI AF analyses to calculate and store yesterday's average for any PI Tag, leveraging relative time expressions without creating new PI Points.
Katarina Horvat