Invocations clarification

[j_spencer93]

When an invocation calls for a minimum level does that mean the level of warlock must be that, or character level total?

[JakOfAllTirades]

When an invocation calls for a minimum level does that mean the level of warlock must be that, or character level total?

It's a class feature so it refers to Warlock class levels.

[j_spencer93]

Thank you, that is what I presumed.

[Ruslan]

Also, the official PHB errata specifies it's class level, in case there was a doubt.
https://media.wizards.com/2016/downloads/DND/PH-Errata-V1.pdf