Fields
Edges can only have certain fields and have a specific format. Some of these fields are the same as other objects and some are specific to the Edge object.
id
This is a unique value that identifies the Edge. The id of an Edge is generated automatically. It is a random 14 character long string that can contain any of the following values:
cdate
The Creation Date or cdate is a unix timestamp in milliseconds that can be set either in the past or in the future. It usually represents when the Edge was created.
tcdate
The True Creation Date or tcdate indicates the date in unix timestamp in milliseconds when the Edge is created. Unlike the cdate, its value cannot be set or modified by the user and it is not displayed in the UI.
mdate
The Modification Date or mdate shows when the Edge was last modified. The mdate value is a unix timestamp in milliseconds that can be set either in the past or in the future.
tmdate
The True Modification Date or tmdate indicates the date in unix timestamp in milliseconds when the Edge is modified. Unlike the mdate, its value cannot be set or modified by the user and it is not displayed in the UI.
ddate
The Deletion Date or ddate is used to soft delete an Edge. This means that Edges with a ddate value can be restored but will appear as deleted. The ddate value is a unix timestamp in milliseconds that can be set either in the past or in the future.
signatures
The signatures field indicates who created the Edge. Even though the field is an array of strings, only one item can be present in the signatures field. Users can sign with different ids depending on their permissions.
readers
The readers field is an array with Group ids that indicates who can retrieve the Edge or see the Edge in the UI.
nonreaders
The nonreaders field is an array with Group ids that indicates who cannot retrieve the Edge or see the Edge in the UI. This field is useful in case we want to use a group id in the readers field that contains a member that we want to exclude from the readers. In this case, we can specify the Group id of that user in the nonreaders field.
writers
The writers field is an array with Group ids that indicates who can modify the Edge.
domain
The domain is a string that groups all the entities of a venue. Its value is usually set automatically and cannot be modified.
head
The head field can contain a Note id or a Group id and connects it to the Note id or Group id defined in the tail field. This field is always mandatory and cannot be empty.
tail
The tail field can contain a Note id or a Group id and connects it to the Note id or Group id defined in the head field. This field is always mandatory and cannot be empty.
label
The label field contains a string that gives extra information to the Edge. This information can be used to classify Edges and differentiate them from other Edges that have the same Invitation, tail and head values.
weight
The weight field contains a number that defines the weight between two entities defined in head and tail.
invitation
The invitation field contains the Invitation id that was used as template to create the Edge.
tauthor
The tauthor field contains the identity of the user that created the Edge. This property is only present when the user is writer of the Edge.
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