Include tokens are used to embed content defined in another content template
The token needs to include the value of the Identifier (jmcg_identifier) of the other content template to include, and optionally can define a different related record to template the included content from
Example tokens are given below
Include a different templates content, sourcing any token data from the same record
[include SNIPPET-ADDRESSEE]
This token states to include content from the content template where Identifier = SNIPPET-ADDRESSEE. If any tokens were present in that content template data will be sourced from the same record as the content template it is included in
Include a different templates content, sourcing any token data from a different related record
[include SNIPPET-ADDRESSEE primarycontactid]
This token states to include content from the content template with Identifier = SNIPPET-ADDRESSEE but to source any token data in that template from the contact linked by the primary contact