--- sourceDocument: Brazil Conversational Interfaces sourceDocumentLink: https://www.servicenow.com/docs/r/conversational-interfaces Release : - brazil ft:locale : - en-US ft:publication_title : - Brazil Conversational Interfaces ft:clusterId : - convint bundleId : - convint workflow : - Platform --- # Bot response channel support for NLU # (Legacy) Virtual Agent Designer bot response channel support for NLU {#ariaid-title1} Release version: Brazil Updated September 10, 2026 ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 6 minutes to read Virtual Agent Designer offers various controls for displaying bot responses in a conversation. Because the bot responses occur in third-party platforms, the format for each output may vary. The following tables describe channel support for each NLU bot response control. {#va-bot-responses-nlu__table_sg2_4px_rsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Supported | None | | Microsoft Teams | Supported | None | | Slack | Supported | None | | Workplace | Supported | None | | Facebook Messenger | Supported | Plain text string only | | SMS Twilio | Supported | None | | LINE | Supported | None | | WhatsApp | Supported | None | | Apple Messages for Business | Supported | None | | Alexa (Voice) | Supported | For screen devices, full support. For nonscreen devices, the header is read. | [Table 1. NLU Channel support for the Text bot response control] {#va-bot-responses-nlu__table_sg2_4px_rsb} {#va-bot-responses-nlu__table_b3l_5tx_rsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | The maximum image size is determined by the com.glide.attachment.max_size system property. The default value is 1024 MB. | | Mobile UI | Supported | The maximum image size is determined by the com.glide.attachment.max_size system property. The default value is 1024 MB. | | Now Assist panel | Not supported | Not applicable | | Microsoft Teams | Supported | None | | Slack | Supported | For details about the maximum image size allowed, check the Slack documentation. | | Workplace | Supported | For details about the maximum image size allowed, check the Workplace documentation. | | Facebook Messenger | Supported | For details about the maximum image size allowed, check the Facebook Messenger documentation. | | SMS Twilio | Supported | File size limits may vary. For Twilio limitations, check their [Accepted Content Types for Media](https://www.twilio.com/docs/sms/accepted-mime-types). | | LINE | Supported | File size limits may vary. For details, see the LINE documentation. | | WhatsApp | Supported | File size limits may vary. For details, see the WhatsApp documentation. | | Apple Messages for Business | Supported | None | | Alexa (Voice) | Partial support | Supported on devices with screens. For nonscreen devices, the user receives a message: We found an image. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 2. NLU channel support for the Image bot response control] {#va-bot-responses-nlu__table_b3l_5tx_rsb} {#va-bot-responses-nlu__table_im1_rlt_ssb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Supported | None | | Microsoft Teams | Supported | None | | Slack | Supported | None | | Workplace | Supported | None | | Facebook Messenger | Supported | The web link appears as a [URL button](https://developers.facebook.com/docs/messenger-platform/send-messages/buttons#url) in the conversation. | | SMS Twilio | Supported | None | | LINE | Supported | None | | WhatsApp | Supported | None | | Apple Messages for Business | Supported | Any URLs must be added to the allowed domain list \[sys_cs_hostname_allow_list\] table. | | Alexa (Voice) | Partial support | Supported on devices with screens. For nonscreen devices, the user receives a message: We found a link. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 3. NLU channel support for the Link bot response control] {#va-bot-responses-nlu__table_im1_rlt_ssb} {#va-bot-responses-nlu__table_q5x_kb4_tsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Supported | None | | Microsoft Teams | Supported | Since HTML is rendered as an image in Microsoft Teams, other controls are recommended. For example, use images or cards instead of HTML for Microsoft Teams. | | Slack | Supported | None | | Workplace | Supported | None | | Facebook Messenger | Not supported | Not applicable | | SMS Twilio | Not supported | Not applicable | | LINE | Not supported | Not applicable | | WhatsApp | Not supported | Not applicable | | Apple Messages for Business | Not supported | Not applicable | | Alexa (Voice) | Partial support | Supported on devices with screens. For nonscreen devices, the user receives a message: We found a link. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 4. NLU channel support for the HTML bot response control] {#va-bot-responses-nlu__table_q5x_kb4_tsb} {#va-bot-responses-nlu__table_v5p_kh4_tsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Not supported | Not applicable | | Microsoft Teams | Supported | None | | Slack | Supported | None | | Workplace | Supported | None | | Facebook Messenger | Not supported | Not applicable | | SMS Twilio | Not supported | Not applicable | | LINE | Not supported | Not applicable | | WhatsApp | Not supported | Not applicable | | Apple Messages for Business | Not supported | Not applicable | | Alexa (Voice) | Partial support | Supported on devices with screens. For non-screen devices, the user receives a message if unsupported elements are used: We found a link. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 5. NLU channel support for the Multi-response bot response control] {#va-bot-responses-nlu__table_v5p_kh4_tsb} {#va-bot-responses-nlu__table_oxg_t34_tsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Not supported | Not applicable | | Microsoft Teams | Supported | None | | Slack | Supported | None | | Workplace | Supported | None | | Facebook Messenger | Not supported | Not applicable | | SMS Twilio | Not supported | Not applicable | | LINE | Not supported | Not applicable | | WhatsApp | Not supported | Not applicable | | Apple Messages for Business | Not supported | Not applicable | | Alexa (Voice) | Partial support | Support depends on the type of response. For example, images and links may only be available on devices with screens. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 6. NLU channel support for the Script bot response control] {#va-bot-responses-nlu__table_oxg_t34_tsb} {#va-bot-responses-nlu__table_yqr_3fp_tsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Partial support | Record cards and record cards with action only. | | Microsoft Teams | Supported | The video control displays a thumbnail image of the video that users select to open the video in their preferred web browser. | | Slack | Supported | Conversational Integration with Slack Version 2.0.0 and later. The video control displays a thumbnail image of the video that users select to open the video in their preferred web browser. | | Workplace | Partial support | Image card output not available. Facebook apps no longer support vertical list templates. The card layout uses a horizontal, scrollable carousel template effective August 15, 2019. Cards also feature a button template. | | Facebook Messenger | Supported | None | | SMS Twilio | Supported | Records and image cards only. | | LINE | Partial support | Records and image cards only. | | WhatsApp | Partial support | Records and image cards only. | | Apple Messages for Business | Supported | None | | Alexa (Voice) | Partial support | Some types of output are only available on devices with screens. For nonscreen devices, the card title is read. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 7. NLU channel support for the Card bot response control] {#va-bot-responses-nlu__table_yqr_3fp_tsb} {#va-bot-responses-nlu__table_mms_y3p_tsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Not supported | Not applicable | | Microsoft Teams | Supported | None | | Slack | Supported | None | | Workplace | Supported | None | | Facebook Messenger | Not supported | Not applicable | | SMS Twilio | Not supported | Not applicable | | LINE | Supported | None | | WhatsApp | Not supported | Not applicable | | Apple Messages for Business | Supported | None | | Alexa (Voice) | Partial support | Supported on devices with screens. For nonscreen devices, the table will be read, if possible. For details, see [(Legacy) Fine-tune Virtual Agent settings and topics for the best Alexa voice chat experience](https://www.servicenow.com/docs/LGAjtbFe_LKkzjeCc4j6Nw "Fine-tune your Virtual Agent settings and topics provided by the Virtual Agent Designer for the best voice chat experience with Alexa."). | [Table 8. NLU channel support for the Table bot response control] {#va-bot-responses-nlu__table_mms_y3p_tsb} {#va-bot-responses-nlu__table_ttn_s5w_tsb__entry__3} | Channel | Support | Constraints | |-|-|-| | Web UI | Supported | None | | Mobile UI | Supported | None | | Now Assist panel | Not supported | Not applicable | | Microsoft Teams | Supported | The video control displays a thumbnail image of the video that users select to open the video in their preferred web browser. | | Slack | Supported | Conversational Integration with Slack version 2.0.0 and later. The video control displays a thumbnail image of the video that users select to open the video in their preferred web browser. | | Workplace | Supported | None | | Facebook Messenger | Not supported | Not applicable | | SMS Twilio | Not supported | Not applicable | | LINE | Not supported | Not applicable | | WhatsApp | Not supported | Not applicable | | Apple Messages for Business | Not supported | Not applicable | | Alexa (Voice) | Not supported | Not applicable | [Table 9. NLU channel support for the Video bot response control] {#va-bot-responses-nlu__table_ttn_s5w_tsb}