diff --git a/.chloggen/consumer-message.yaml b/.chloggen/consumer-message.yaml
new file mode 100644
index 00000000000..fe6c6d7c039
--- /dev/null
+++ b/.chloggen/consumer-message.yaml
@@ -0,0 +1,25 @@
+# Use this changelog template to create an entry for release notes.
+
+# One of 'breaking', 'deprecation', 'new_component', 'enhancement', 'bug_fix'
+change_type: enhancement
+
+# The name of the component, or a single word describing the area of concern, (e.g. otlpreceiver)
+component: consumer
+
+# A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
+note: Clarify that data cannot be accessed after Consume* func is called.
+
+# One or more tracking issues or pull requests related to the change
+issues: [12284]
+
+# (Optional) One or more lines of additional information to render under the primary note.
+# These lines will be padded with 2 spaces and then inserted directly into the document.
+# Use pipe (|) for multiline entries.
+subtext:
+
+# Optional: The change log or logs in which this entry should be included.
+# e.g. '[user]' or '[user, api]'
+# Include 'user' if the change is relevant to end users.
+# Include 'api' if there is a change to a library API.
+# Default: '[user]'
+change_logs: [api]
diff --git a/consumer/logs.go b/consumer/logs.go
index 15166ef1196..701ce5f35c6 100644
--- a/consumer/logs.go
+++ b/consumer/logs.go
@@ -14,7 +14,8 @@ import (
 // as needed, and sends it to the next processing node if any or to the destination.
 type Logs interface {
 	internal.BaseConsumer
-	// ConsumeLogs receives plog.Logs for consumption.
+	// ConsumeLogs processes the logs. After the function returns, the logs are no longer accessible,
+	// and accessing them is considered undefined behavior.
 	ConsumeLogs(ctx context.Context, ld plog.Logs) error
 }
 
diff --git a/consumer/metrics.go b/consumer/metrics.go
index 47897f9363a..6a636a6caef 100644
--- a/consumer/metrics.go
+++ b/consumer/metrics.go
@@ -14,7 +14,8 @@ import (
 // as needed, and sends it to the next processing node if any or to the destination.
 type Metrics interface {
 	internal.BaseConsumer
-	// ConsumeMetrics receives pmetric.Metrics for consumption.
+	// ConsumeMetrics processes the metrics. After the function returns, the metrics are no longer accessible,
+	// and accessing them is considered undefined behavior.
 	ConsumeMetrics(ctx context.Context, md pmetric.Metrics) error
 }
 
diff --git a/consumer/traces.go b/consumer/traces.go
index 60df2d04536..1fed65656f5 100644
--- a/consumer/traces.go
+++ b/consumer/traces.go
@@ -14,7 +14,8 @@ import (
 // as needed, and sends it to the next processing node if any or to the destination.
 type Traces interface {
 	internal.BaseConsumer
-	// ConsumeTraces receives ptrace.Traces for consumption.
+	// ConsumeTraces processes the traces. After the function returns, the traces are no longer accessible,
+	// and accessing them is considered undefined behavior.
 	ConsumeTraces(ctx context.Context, td ptrace.Traces) error
 }
 
diff --git a/consumer/xconsumer/profiles.go b/consumer/xconsumer/profiles.go
index 88ba2eb5a38..7f0b36f55ce 100644
--- a/consumer/xconsumer/profiles.go
+++ b/consumer/xconsumer/profiles.go
@@ -18,7 +18,8 @@ var errNilFunc = errors.New("nil consumer func")
 // as needed, and sends it to the next processing node if any or to the destination.
 type Profiles interface {
 	internal.BaseConsumer
-	// ConsumeProfiles receives pprofile.Profiles for consumption.
+	// ConsumeProfiles processes the profiles. After the function returns, the profiles are no longer accessible,
+	// and accessing them is considered undefined behavior.
 	ConsumeProfiles(ctx context.Context, td pprofile.Profiles) error
 }