Under 10DLC guidelines all campaigns must fill in the campaign details with the Keywords and Confirmation Messages for Opt in, Opt Out, and Help.

Please follow this format but with the variables filled in for your brand and campaign:
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Opt in Keyword: START or similar keyword

Opt in confirmation message: [Brand name]: Thanks for subscribing to [use case(s)]! Reply HELP for help. Message frequency may vary. Msg&data rates may apply. Consent is not a condition of purchase. Reply STOP to opt out.

Opt out Keyword: STOP or similar keyword

Opt out confirmation message: [Brand Name]: You are unsubscribed and will receive no further messages.

Help Keyword: HELP or similar keyword

Help confirmation message: [Brand name]: Please reach out to us at [website/email/phone number] for help.