Clutter.Timeline.add_marker

### Method

# Clutter Timelineadd_marker

#### Declaration [src]

    void
    clutter_timeline_add_marker (
      ClutterTimeline* timeline,
      const gchar* marker_name,
      gdouble progress
    )

#### Description [src]

Adds a named marker that will be hit when the timeline has reached the specified `progress`.

Markers are unique string identifiers for a given position on the timeline. Once `timeline` reaches the given `progress` of its duration, if will emit a ::marker-reached signal for each marker attached to that particular point.

A marker can be removed with clutter_timeline_remove_marker(). The timeline can be advanced to a marker using clutter_timeline_advance_to_marker().

See also: `clutter_timeline_add_marker_at_time()`

Available since: | 1.14

#### Parameters

`marker_name` | `const gchar*`
| The unique name for this marker.
| The data is owned by the caller of the function.
| The value is a NUL terminated UTF-8 string.
`progress` | `gdouble`
| The normalized value of the position of the martke.