The phrase "to earn the credential" means to successfully complete the requirements and get officially recognized or certified for a specific skill or qualification. Full definition
Others earn their credential after successful completion of a bachelor's degree program in agriculture, computer sciences, education, engineering, child psychology, or a similar area of study. (teacherportal.com)
When the reader knows you have earned a credential relevant to the position they are recruiting for, they are more likely to read your entire resume and read it carefully. (avidcareerist.com)
A certification is not a license to practice, but a voluntarily earned credential demonstrating advanced training, experience, and knowledge of the counseling practice. (affordablecollegesonline.org)