Real ChatGPT answer · index seedlWNyMmaYtHwcompleteMarketing and advertising · ad platformsinformational

How do I properly configure custom conversion events using the Facebook Conversions API because the pixel helper is showing a missing parameter error

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How do I properly configure custom conversion events using the Facebook Conversions API because the pixel helper is showing a missing parameter error
2 real searches · 1 real-search pass
Meta Conversions API custom events required parameters event_name event_time action_source user_data custom_data official documentationGoogle ↗
OBSERVEDInstruction
Meta Pixel Helper missing parameter error custom event parameter Facebook Pixel official documentationGoogle ↗
OBSERVEDInstruction

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (2)
Short factOther / navigationalComparisonConsequenceReasonDefinitionInstruction100%Yes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
Meta Conversions API custom events required parameters event_name event_time action_source user_data custom_data official documentation Google ↗
Meta Pixel Helper missing parameter error custom event parameter Facebook Pixel official documentation Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
Meta Conversions API custom events required parameters event_name event_time action_source user_data custom_data official documentation
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1
Meta Pixel Helper missing parameter error custom event parameter Facebook Pixel official documentation
OBSERVED
Google ↗
AI Mode ↗
—Instruction——1x
of 1