# Transaction

- [Add Transaction](https://docs.maitredpos.com/maitred/maitred-online-help-contents-by-module/electronic-funds-transfer-eft/transaction/add-transaction.md)
- [Modify Transaction](https://docs.maitredpos.com/maitred/maitred-online-help-contents-by-module/electronic-funds-transfer-eft/transaction/modify-transaction.md)
- [Void Transaction](https://docs.maitredpos.com/maitred/maitred-online-help-contents-by-module/electronic-funds-transfer-eft/transaction/void-transaction.md)
- [Return Transaction](https://docs.maitredpos.com/maitred/maitred-online-help-contents-by-module/electronic-funds-transfer-eft/transaction/return-transaction.md)
- [Void a Return](https://docs.maitredpos.com/maitred/maitred-online-help-contents-by-module/electronic-funds-transfer-eft/transaction/void-a-return.md)