Invocation

[Jason]

Greetings, I've been trying to figure out how to use my GDS sigil to invoke her, the one used durring a summoning, no one else has seen it. If someone could please help me with this it would mean a lot to me and my advancement, and, of course, I'd be verry greatful. thank you so much in advance!
HAIL LERAJIE!!!
HAIL SATAN!!!