Hi @Jeong Yoon Cho
For 1&2 are you expecting Agents to delete outbound messages? Or End-Users to delete inbound messages? For Agents being able to delete outbound messages, we have an Idea posted here: https://genesyscloud.ideas.aha.io/ideas/DXWMM-I-29 Do you have a use-case for End-Users being able to delete?
Regarding 3. (File attachments): these can be enabled or disabled in Admin UI > Messenger Configuration. If you need more granular control, we are now working on improvement in order to leverage Supported Content Profile: https://genesyscloud.ideas.aha.io/ideas/DXWMM-I-19
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Angelo Cicchitto
Genesys - Employees
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