Premiere Pro Console

// Get current project details
$.writeln("Project: " + app.project.name);
$.writeln("Path: " + app.project.path);
$.writeln("Sequences: " + app.project.sequences.numSequences);

// Get all markers in active sequence
var markers = app.project.activeSequence.markers;
var marker = markers.getFirstMarker();
while (marker) {
    $.writeln(marker.name + " at " + marker.start.seconds + "s");
    marker = markers.getNextMarker(marker);
}

// List all clips on video tracks
var tracks = app.project.activeSequence.videoTracks;
for (var i = 0; i < tracks.numTracks; i++) {
    var track = tracks[i];
    $.writeln("Track " + (i+1) + ": " + track.clips.numItems + " clips");
}

// Create markers at specified times
var times = [5.0, 10.0, 15.0, 20.0];
var markers = app.project.activeSequence.markers;
for (var i = 0; i < times.length; i++) {
    var marker = markers.createMarker(times[i]);
    marker.name = "Chapter " + (i + 1);
}