Custom Resource alert to learner when assigned at Offering by learn admin

Summary:

When a learn admin assign the learner at offering, learner should receive a alert saying you have been added to this ILT Offering.

Content (please ensure you mask any confidential information):

Learner will be assigned by Learn Admin to course(at course level) today and then when alert run, the alert is triggered to learner.

Status of learner is "No Active Offering"

Using the Expression,

But after some time like tomorrow or some other day(at Offering level), Learn admin will assign the learner at offering level also and their expectation is here when they assign the same learner at offering level again, the Alert should trigger to learner for Offering Assignment.