diff --git a/internal/worker/command_blender.go b/internal/worker/command_blender.go
index 9895e8b5..1baea124 100644
--- a/internal/worker/command_blender.go
+++ b/internal/worker/command_blender.go
@@ -8,6 +8,7 @@ import (
 	"context"
 	"os/exec"
 	"regexp"
+	"slices"
 	"sync"
 
 	"github.com/google/shlex"
@@ -20,6 +21,8 @@ import (
 
 var regexpFileSaved = regexp.MustCompile("Saved: '(.*)'")
 
+var writeMetadataToOutput = false
+
 type BlenderParameters struct {
 	exe        string   // Expansion of `{blender}`: the executable path defined by the Manager.
 	exeArgs    string   // Expansion of `{blenderargs}`: its CLI parameters defined by the Manager.
@@ -51,6 +54,10 @@ func (ce *CommandExecutor) cmdBlenderRender(ctx context.Context, logger zerolog.
 		}
 	}()
 
+	if writeMetadataToOutput {
+		lineChannel <- "Task ID: " + taskID
+	}
+
 	// Run the subprocess.
 	subprocessErr := ce.cli.RunWithTextOutput(ctx,
 		logger,
@@ -141,6 +148,10 @@ func cmdBlenderRenderParams(logger zerolog.Logger, cmd api.Command) (BlenderPara
 		return parameters, NewParameterInvalidError("args", cmd, "cannot convert to list of strings")
 	}
 
+	if slices.Contains(parameters.args, "--write-metadata-to-output") {
+		writeMetadataToOutput = true
+	}
+
 	// Split the exeArgs string into separate parts, and prepend them to `argsBefore`.
 	exeArgs, err := shlex.Split(parameters.exeArgs)
 	if err != nil {