isSpatial

When true, the named property defines a spatial value. Examples are position and effect point controls.Boolean; read-only.

setRovingAtKey()

Turns roving on or off for the specified keyframe. The first and last keyframe in a property cannot rove; if you try to set roving forone of these, the oper

value

The value of the named property at the current time.ユ If expressionEnabled is true, returns the evaluated expression value.ユ If there are keyframes, returns

setValuesAtTimes()

Sets values for a set of keyframes at specified of times. Creates a new keyframe for the named property, if one does not currently exist for a specified tim

canSetExpression

When true, the named property is of a type whose expression can be set by a script. See also Property expression attribute .Boolean; read-only.

keySelected()

Returns true if the specified keyframe is selected.keyIndex The index for the keyframe. An integer in the range [1..numKeys], as returned by the addKey or n

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

setSelectedAtKey()

Selects or deselects the specified keyframe.keyIndex The index for the keyframe. An integer in the range [1..numKeys], as returned by the addKey or nearest-

addKey()

Adds a new keyframe or marker to the named property at the specified time and returns the index of the new keyframe.time The time, in seconds, at which to a

valueAtTime()

The value of the named property as evaluated at the specified time.Note that the type of value returned is not made explicit; it will be of a different type