diff --git a/docs/DOCS.md b/docs/DOCS.md
--- a/docs/DOCS.md
+++ b/docs/DOCS.md
@@ -830,6 +830,8 @@ By default, the following environment variables are set:
 
 - `CI` - Always set to `true` to indicate a CI environment
 - `TANGLED_PIPELINE_ID` - The AT URI of the current pipeline
+- `TANGLED_PIPELINE_KIND` - One of `push`, `pull_request` or
+  `manual`
 - `TANGLED_REPO_KNOT` - The repository's knot hostname
 - `TANGLED_REPO_DID` - The DID of the repository owner
 - `TANGLED_REPO_NAME` - The name of the repository
diff --git a/spindle/models/pipeline_env.go b/spindle/models/pipeline_env.go
--- a/spindle/models/pipeline_env.go
+++ b/spindle/models/pipeline_env.go
@@ -21,7 +21,7 @@ // Standard CI environment variable
 	env["CI"] = "true"
 
 	env["TANGLED_PIPELINE_ID"] = pipelineId.AtUri().String()
-	env["TANGLED_EVENT_NAME"] = tr.Kind
+	env["TANGLED_PIPELINE_KIND"] = tr.Kind
 
 	// Repo info
 	if tr.Repo != nil {