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LTI 1.3 - OpenID Connect Flow

LTI 1.3 - OpenID Connect Flow

Hello,

I am working on the creation of a LTI 1.3 tool

Currently, I'm implementing the OpenID Connect flow (section 5.1.1 in IMS Security Framework spec).

My question concerns step 2 (Authentication Request). It is said that the parameter 'client_id' corresponds to the "tool's Client ID for this issuer". But if we have several tools for this issuer, how do we know which client_id to use, given the limited informations available?

I hope I was clear enough.

Thanks!