selected

When true, this item is selected. Multiple items can be selected at the same time. Set to true to select the item programmatically, or to false to deselect

isStill

When true the footage is still; when false, it has a time-based component.Examples of still footage are JPEG files, solids, and placeholders with duration o

skipFrames

The number of frames to skip when rendering this item. Use this to do rendering tests that are faster than a full render.A value of 0 skip no frames, and re

stretch

The layerメs time stretch, expressed as a percentage. A value of 100 means no stretch. Values between 0 and 1 are set to 1, and values between -1 and 0 not i

timeDisplayType

The time display style, corresponding to the Time Display Style section in the Project Settings dialog box.A TimeDisplayType enumerated value; read/write. O

startTime

The day and time that this item started rendering.Date object, or null if the item has not started rendering; read-only.

inPoint

The in point of the layer, expressed in composition time seconds .Floating-point value in the range [-10800.0..10800.0] minus or plus three hours ; read/wri

isTimeVarying

When true, the named property is time varyingラthat is, it has keyframes or an enabled expression. When this attribute is true, the attribute canVaryOverTime

timeSpanDuration

The duration in seconds of the composition to be rendered. The duration is determined by subtracting the start time from the end time. Setting this value is

startTime

The start time of the layer, expressed in composition time seconds .Floating-point value in the range [-10800.0..10800.0] minus or plus three hours ; read/w