The preparation of the agenda begins online well ahead of the meeting. All the members of the meeting body have the right to propose agenda items. Before the meeting, the agenda itself is merely a proposal so all the proposals are simply added to it. This can be done by submitting them to the secretary or a webmaster. A wiki web site is convenient because it allows all the members to directly add to or edit the page without the bottleneck of waiting for someone else to post it.
The secretary coordinates the accumulation of proposed agenda items. If full editing is possible such as via a wiki, the secretary must ensure that no one removes or modifies anyone else's agenda item proposals without the submitter's permission.
At the beginning of the meeting, there is an opportunity to add to or amend the agenda, followed by approval of the agenda. A member should move to approve the agenda. A seconder is required. At this point the meeting order is set - though it may be amended by the meeting body.