ApiUrl = "https://7105.api.greenapi.com"; MediaUrl = "https://7105.media.greenapi.com"; IdInstance = "71051..."; ApiTokenInstance = "425010d90e114aa6b78f0969e..."; File = "https://api.athenaeum.digital/test_data/picture.jpg"; // URL, Path or Binary Data FileName = "photo.jpg"; ChatID = "120363410406221140@g.us"; Description = "File description"; AccessParameters = OPI_GreenAPI.FormAccessParameters(ApiUrl, MediaUrl, IdInstance, ApiTokenInstance); Result = OPI_GreenAPI.SendFile(AccessParameters, ChatID, File, FileName, Description);