> For the complete documentation index, see [llms.txt](https://pay-docs.gitbook.io/pay-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pay-docs.gitbook.io/pay-documentation/bot-commands/payment.md).

# Payment

• **/pay** **@Username** **Amount** : Transfer a specified amount to @Username in a group (note: usernames are *case sensitive*)\
• **/pay** **Amount** (when replying): Transfer a particular amount to a user you're addressing in a group\
• **/pay** : Transfer the preset amount to the primary receiver in a group\
• **/pay** **@Username** **Amount CA** : Use a custom token for payment to a user in a group\
• **/pay** **Amount CA** : Use a custom token for payment to the primary user in a group\
\
*Note*: If @Username, reply, or Amount isn't determined, default values will be utilized.