Problem with report on the 10 best grades

[Julio_AC]

Good morning friends!
I am making a report grades of the students so that it can be sent by e-mail with a click, and I use the “ClickToSendEmail” app to learn how to do it (I am a beginner).

1. For a list of all the students, the report template below works well:

<<Start: FILTER(Reports all students,true)>>

Name-Surname: <<[Name-Surname]>>

N°ID: <<[N°ID]>>

Grade-level: <<[Grade-Level]>>

Phone-Number: <<[Phone-Number]>>

E-mail: <<[E-mail>>

<>

2)PROBLEM: I have problems creating a formula to generate a report with the best 10 students, that is, the students with the best grades. I built the following formula but it doesn’t work:
<<Start: IF(FILTER(Report of the 10 best students,true),TOP(SORT(“Class-1”[Grade-Level], 10)))>>

Name-Surname: <<[Name-Surname]>>

N°ID: <<[N°ID]>>

Grade-level: <<[Grade-Level]>>

Phone-Number: <<[Phone-Number]>>

E-mail: <<[E-mail>>

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How can I fix the problem?

Thanks!

Julio

P.S: I hope you can understand the question as I use a translator.