(No version information available, might only be in SVN)
Imagick::setImageArtifact — Set image artifact
Associates an artifact with the image. The difference between image properties and image artifacts is that properties are public and artifacts are private. This method is available if Imagick has been compiled against ImageMagick version 6.5.7 or newer.
The name of the artifact
The value of the artifact
TRUE on success.
Throws ImagickException on error.