---
title: "RUM JSON Payload Definitions"
slug: "rum-json-payload-definitions"
updated: 2025-06-20T19:59:56Z
published: 2025-06-20T19:59:56Z
canonical: "docs.catchpoint.com/rum-json-payload-definitions"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.catchpoint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# RUM JSON Payload Definitions

| Abbreviation | Meaning |
| --- | --- |
| v | version |
| pt | post type |
| ui | user id |
| si | session id |
| di | site id |
| pi | page view id |
| jsc | js error count |
| rf | referrer |
| pc | page view count |
| vc | view count |
| rc | redirect count |
| jse | java script errors |
| m | error message |
| n | error line number |
| c | error count |
| ae | app errors |
| pg | page group |
| ab | variation |
| res | resources |
| wf | waterfall |
| nv | new view ( 1 or 0) |
| ind | indicators |
| tra | tracepoints |
| cv | conversion (1 or 0) |
| rv | revenue |
| ri | revenue items |
| np | new page view (1 or 0) |
| dh | screen height |
| dw | screen width |
| dn | dns |
| fc | full connect |
| wt | wait |
| ld | load |
| de | dom interactive |
| dl | dom loaded |
| dc | doc complete |
| rp | response |
| cl | contentload |
| rd | redirect |
| rc | redirect count |
| sc | secure connect |
| xe | exit to entry |
| el | entry to on load |
| pr | prerender |
| maf | mark above the fold |
| mfl | mark fully loaded |
| mfv | mark fully visible |
| mtu | mark time to user action |
| tp | time on page |
| tti | time to interact |
| et | engagement time |
| fet | first engagement time |
| fid | first input delay |
| vct | vis complete |
| fid | first input delay |
| fp | first paint |
| fcp | first content paint |
| u | url |