SQL code to open a stored procedure and read it in SQL Server

Question

I am using an interface that only allows me to use SQL commands. The database is SQL Server. Right now I need to open a stored procedure and read what is inside of it. What is the SQL command to open a stored procedure for reading? Thank you.

Answer 1

SELECT definition
    FROM sys.sql_modules 
    WHERE object_id = OBJECT_ID('YourSchemaName.YourProcedureName')

Answer 2

sp_helptext 'dbo.myStoredProc'