/conversations.rename

{
    "channel": {
        "created": 1449252889,
        "creator": "W012A3BCD",
        "id": "C012AB3CD",
        "is_archived": false,
        "is_channel": true,
        "is_ext_shared": false,
        "is_general": true,
        "is_group": false,
        "is_im": false,
        "is_member": true,
        "is_mpim": false,
        "is_org_shared": false,
        "is_pending_ext_shared": false,
        "is_private": false,
        "is_read_only": false,
        "is_shared": false,
        "last_read": "1502126650.228446",
        "locale": "en-US",
        "name": "general",
        "name_normalized": "general",
        "num_members": 23,
        "pending_shared": [],
        "previous_names": [
            "specifics",
            "abstractions",
            "etc"
        ],
        "purpose": {
            "creator": "W012A3BCD",
            "last_set": 1449709364,
            "value": "This part of the workspace is for fun. Make fun here."
        },
        "topic": {
            "creator": "W012A3BCD",
            "last_set": 1449709364,
            "value": "For public discussion of generalities"
        },
        "unlinked": 0
    },
    "ok": true
}