# US 2021/0243150 A1 · Apparatuses, methods, and computer program products for data retention in a common group-based communication channel > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243150 A1 - Document ID: US20210243150A1 - Status: Published application - Kind: A1 - Application number: 16/778,993 - Filed: 2020-01-31 - Published: 2021-08-05 - Earliest claimed: 2020-01-31 - Assignees: Slack Technologies, LLC - Applicants: Slack Technologies, Inc. - Inventors: Sri VASAMSETTI; Paul Matthew JENNINGS; Paul ROSANIA; Steven GORDON; Michael DEMMER - Web page: https://patentgrep.com/patent/US20210243150A1 ## CPC - H04L 51/42: Mailbox-related aspects, e.g. synchronisation of mailboxes - H04L 63/20: {for managing network security; network security policies in general (filtering policies H04L63/0227)} - G06F 16/113: {Details of archiving (lifecycle management in storage systems G06F3/0649; point-in-time backing up or restoration of persistent data G06F11/1446)} - G06F 16/125: {characterised by the use of retention policies (retention policies for HSM systems G06F16/185)} - H04L 12/185: {with management of multicast group membership} - H04L 51/216: Handling conversation history, e.g. grouping of messages in sessions or threads - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract Embodiments described herein include apparatuses, computer program products, and methods for data management in a group-based communication system. Specifically, some embodiments address data management for group-based communication channel(s) accessible to any number of entities based on various data retention policies. In this regard, embodiments enable maintenance of data associated with multiple organizations accessing a group-based communication channel based on a single, shared data retention policy, or different data retention policies, for example based on authorship of the group-based communication message. In embodiments, a data retention policy may be assigned directly to an entity, or assigned to a higher-level or lower-level entity and function as a default data a retention policy for other entities associated therewith. A group-based communication system is configured to enable storage of data based on corresponding data retention policies for each organization identifier, and/or an agreed data retention policy for all organization identifiers. ## Claims ### Claim 1 An apparatus for group-based communication channel data management, the apparatus comprising at least one processor and at least one non-transitory memory including computer program code, the at least one non-transitory memory and the computer program code, with the at least one processor, configure the apparatus to: identify a group-based communication channel accessible to a plurality of client devices associated with a plurality of organization identifiers; retrieve a group-based communication message set associated with the group-based communication channel; identify a first data retention policy associated with a first group-based communication message of the group-based communication message set based at least in part on an entity identifier associated with the first group-based communication message; perform a message management action for the first group-based communication message based on a determination of whether the first group-based communication message satisfies the corresponding first data retention policy; and cause rendering, via a client device of the plurality of client devices, of a group-based communication interface associated with the group-based communication channel, wherein the group-based communication interface comprises the first group-based communication message associated with the first data retention policy. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein to identify the first data retention policy associated with the first group-based communication message, the apparatus is configured to: identify an authenticated user account identifier associated with the first group-based communication message; determine an organization identifier associated with the authenticated user account identifier; and retrieve, from a group-based communication datastore, the first data retention policy based at least on the organization identifier. ### Claim 3 (depends on 1) The apparatus of claim 1, further configured to: receive an organizational data retention policy assignment request associated with a first organization identifier of the plurality of organization identifiers; and store an assigned data retention policy associated with the first organization identifier, wherein the assigned data retention policy is based on the organizational retention policy assignment request, wherein the assigned data retention policy is associated with at least a message subset of the group-based communication message set. ### Claim 4 (depends on 1) The apparatus of claim 1, further configured to: receive a channel data retention policy assignment request associated with the group-based communication channel; and store an assigned data retention policy associated with the group-based communication channel, wherein the assigned data retention policy is based on the channel data retention policy assignment request, wherein the assigned data retention policy is associated with at least a message subset of the group-based communication message set. ### Claim 5 (depends on 1) The apparatus of claim 1, further configured to: receive an agreed data retention policy assignment request associated with the group-based communication channel; store an assigned data retention policy associated with the group-based communication channel, wherein the assigned data retention policy is based on the agreed retention policy assignment request; and receive, for the assigned data retention policy, data indicating a storage policy approved by at least one organization identifier of the plurality of organization identifiers, wherein the at least one organization identifier is associated with at least a message subset of the group-based communication message set. ### Claim 6 (depends on 1) The apparatus of claim 1, further configured to: receive a data retention policy generation request associated with a first organization identifier of the plurality of organization identifiers; generate a second data retention policy based on the data retention policy generation request; and store the second data retention policy associated with the first organization identifier. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein to perform the message management action for the first group-based communication message based on the determination of whether the first group-based communication message satisfies the corresponding first data retention policy, the apparatus is configured to perform one of: retain, in a group-based communication datastore, the first group-based communication message based on a determination that the first group-based communication message satisfies the corresponding first data retention policy; or remove, from the group-based communication datastore, the first group-based communication message based on a determination that the first group-based communication message does not satisfy the corresponding first data retention policy. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein to identify the first data retention policy associated with the first group-based communication message, the apparatus is configured to: determine a group-based communication channel type for the group-based communication channel; identify a corresponding organization identifier associated with the first group-based communication message; and retrieve the first data retention policy from a group-based communication datastore based on the group-based communication channel type and the corresponding organization identifier. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein to identify the first data retention policy associated with the first group-based communication message, the apparatus is configured to: retrieve, from a group-based communication datastore, the first data retention policy based on the group-based communication channel. ### Claim 10 (depends on 1) The apparatus of claim 1, wherein a first group-based communication message subset of the group-based communication message set is associated with a first organization identifier of the plurality of organization identifiers and is associated with the first data retention policy, and wherein a second group-based communication message subset of the group-based communication message set is associated with a second organization identifier of the plurality of organization identifiers and is associated with a second data retention policy. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the first data retention policy for the first group-based communication message comprises one of: (1) a channel data retention policy associated with a first organization identifier of the plurality of organization identifiers, wherein the first organization identifier is associated with the first group-based communication message; (2) an organizational data retention policy associated with a second organization identifier of the plurality of organization identifiers, wherein the second organization identifier is associated with the first group-based communication message; or (3) an agreed data retention policy associated with the group-based communication channel. ### Claim 12 (depends on 1) The apparatus of claim 1, the apparatus further configured to: receive, from the client device associated with an authenticated user account, a message deletion request associated with a selected group-based communication message of the group-based communication message set associated with the group-based communication channel, wherein the authenticated user account is associated with deletion permissions for the selected group-based communication message; and delete, from a group-based communication datastore, the selected group-based communication message in response to receiving the message deletion request. ### Claim 13 (depends on 1) The apparatus of claim 1, the apparatus further configured to: receive, from the client device associated with an authenticated user account, a message editing request associated with a selected group-based communication message of the group-based communication message set associated with the group-based communication channel, wherein the authenticated user account is associated with editing permissions for the selected group-based communication message; and store updated data associated with the selected group-based communication message in response to receiving the message editing request, wherein the updated data is based on the message editing request. ### Claim 14 (depends on 1) The apparatus of claim 1, the apparatus is further configured to: identify a second group-based communication message associated with the group-based communication channel, wherein the second group-based communication message is associated with a second organization identifier of the plurality of organization identifiers; identify a second data retention policy associated with the second group-based communication message based on the second organization identifier; and perform a second message management action for the second group-based communication message based on a determination of whether the second group-based communication message satisfies the second data retention policy. ### Claim 15 (depends on 1) The apparatus of claim 1, the apparatus is further configured to: identify a second group-based communication message associated with the group-based communication channel, wherein the second group-based communication message is associated with a second organization identifier of the plurality of organization identifiers; in response to a determination that the second group-based communication message satisfies the first data retention policy, perform a second message management action for the second group-based communication message. ### Claim 16 (depends on 1) The apparatus of claim 1, further configured to: receive, from the client device associated with an authenticated user account associated with a first organization identifier, a policy information request associated with the group-based communication channel; and cause rendering, via the client device, of the group-based communication interface comprising a data retention notification information interface based on the first data retention policy, wherein the first data retention policy comprises a third-party retention policy associated with a second organization identifier of the plurality of organization identifiers. ### Claim 17 (depends on 1) The apparatus of claim 1, wherein to cause rendering, via the client device, of the group-based communication interface associated with the group-based communication channel, the apparatus is configured to: cause rendering of a first group-based communication interface associated with the group-based communication channel comprising a selected group-based communication channel, wherein the first group-based communication interface comprises a source group-based communication message set associated with a first data retention policy set; and cause rendering a second group-based communication interface associated with the group-based communication channel, wherein the second group-based communication interface comprises an updated group-based communication message set, the updated group-based communication message set comprising the source group-based communication message set updated based on the first data retention policy set. ### Claim 18 (depends on 17) The apparatus of claim 17, wherein the updated group-based communication message set comprises at least one less group-based communication message than the source group-based communication message set, each of the at least one less group-based communication message based on a corresponding data retention policy of the first data retention policy set. ### Claim 19 (depends on 17) The apparatus of claim 17, wherein the updated group-based communication message set comprises a retained message set and a removed group-based communication message set, each removed group-based communication message in the removed group-based communication message set rendered to the second group-based communication interface as visually distinguished from the retained group-based communication message set. ### Claim 20 (depends on 17) The apparatus of claim 17, wherein the client device is associated with an authenticated user account identifier associated with a first organization identifier of the plurality of organization identifiers, the apparatus further configured to: receive, from the client device, a policy information request, the policy information request comprising at least a group-based communication channel identifier for the group-based communication channel, the authenticated user account identifier, the first organization identifier, or a combination thereof; and cause rendering, via the client device, of a data retention notification information interface based on the first data retention policy of the first data retention policy set for the group-based communication channel, the first data retention policy identified based on the policy information request. ### Claim 21 A computer-implemented method for group-based communication channel data management, the computer-implemented method comprising: identifying a group-based communication channel accessible to a plurality of client devices associated with a plurality of organization identifiers; retrieving a group-based communication message set associated with the group-based communication channel; identifying a first data retention policy associated with a first group-based communication message of the group-based communication message set based at least in part on an entity identifier associated with the first group-based communication message; performing a message management action for the first group-based communication message based on a determination of whether the first group-based communication message satisfies the corresponding first data retention policy; and causing rendering, via a client device of the plurality of client devices, of a group-based communication interface associated with the group-based communication channel, wherein the group-based communication interface comprises the first group-based communication message associated with the first data retention policy. ### Claim 22 A computer program product for group-based communication channel data management, the computer program product comprising at least one non-transitory computer-readable storage medium having computer program code thereon, the computer program code configured, in execution with at least one processor, for: identifying a group-based communication channel accessible to a plurality of client devices associated with a plurality of organization identifiers; retrieving a group-based communication message set associated with the group-based communication channel; identifying a first data retention policy associated with a first group-based communication message of the group-based communication message set based at least in part on an entity identifier associated with the first group-based communication message; performing a message management action for the first group-based communication message based on a determination of whether the first group-based communication message satisfies the corresponding first data retention policy; and causing rendering, via a client device of the plurality of client devices, of a group-based communication interface associated with the group-based communication channel, wherein the group-based communication interface comprises the first group-based communication message associated with the first data retention policy.