{"id":99,"date":"2015-02-13T10:51:30","date_gmt":"2015-02-13T10:51:30","guid":{"rendered":"https:\/\/blogs.autodesk.com\/in-the-pipes\/2015\/02\/13\/how-to-customize-an-unique-double-tag-in-autocad-pid\/"},"modified":"2019-07-10T15:11:13","modified_gmt":"2019-07-10T15:11:13","slug":"how-to-customize-an-unique-double-tag-in-autocad-pid","status":"publish","type":"post","link":"https:\/\/blogs.autodesk.com\/in-the-pipes\/2015\/02\/13\/how-to-customize-an-unique-double-tag-in-autocad-pid\/","title":{"rendered":"How to customize an unique double tag in AutoCAD P&amp;ID"},"content":{"rendered":"<p>By default the line number has to be unique for the whole project in a pipeline segment tag. For some reasons you want to customize that two properties in combination have to be unique in a pipeline segment tag. How can you do this?<\/p>\n<p>For example a pipeline segment was already inserted with property A which has value &quot;1&quot; and property B with the value &quot;a&quot;. So the tag is 1-a. The next pipeline segment tag can have values like 1-b or 2-a but not 1-a.<\/p>\n<p>To get the solution you have to know that only these properties in combination have to be unique which are part of the tag-definition of the pipeline&#160;<strong>group<\/strong>. So you have to modify the tag-definition of the pipeline group. In the example below the &quot;Service&quot; was added to the tag definition of the pipeline group:<\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/in-the-pipes.typepad.com\/.a\/6a00d835007d0b69e201b7c74c338b970b-pi\"><img decoding=\"async\" alt=\"Tag_pipelinegroup\" border=\"0\" class=\"asset  asset-image at-xid-6a00d835007d0b69e201b7c74c338b970b image-full img-responsive\" src=\"https:\/\/in-the-pipes.typepad.com\/.a\/6a00d835007d0b69e201b7c74c338b970b-800wi\" title=\"Tag_pipelinegroup\" \/><\/a><\/p>\n<p>Afterwards you have to ensure that both properties are inherited to the pipeline segment class and that both properties are used in the pipeline segment tag:<\/p>\n<p><a class=\"asset-img-link\" href=\"http:\/\/in-the-pipes.typepad.com\/.a\/6a00d835007d0b69e201b7c74c3394970b-pi\"><img decoding=\"async\" alt=\"Tag_pipelinegroup2\" border=\"0\" class=\"asset  asset-image at-xid-6a00d835007d0b69e201b7c74c3394970b image-full img-responsive\" src=\"https:\/\/in-the-pipes.typepad.com\/.a\/6a00d835007d0b69e201b7c74c3394970b-800wi\" title=\"Tag_pipelinegroup2\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>By default the line number has to be unique for the whole project in a pipeline segment tag. For some reasons you want to customize that two properties in combination have to be unique in a pipeline segment tag. How can you do this?<\/p>\n<p>For example a pipeline segment was already inserted with property A which has value &quot;1&quot;<\/p>\n","protected":false},"author":26874,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[9,4,5],"tags":[],"class_list":["post-99","post","type-post","status-publish","format-standard","hentry","category-pid","category-plant-3d","category-tips-tricks"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to customize an unique double tag in AutoCAD P&amp;ID - In the Pipes<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.autodesk.com\/in-the-pipes\/2015\/02\/13\/how-to-customize-an-unique-double-tag-in-autocad-pid\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to customize an unique double tag in AutoCAD P&amp;ID - In the Pipes\" \/>\n<meta property=\"og:description\" content=\"By default the line number has to be unique for the whole project in a pipeline segment tag. For some reasons you want to customize that two properties in combination have to be unique in a pipeline segment tag. How can you do this? For example a pipeline segment was already inserted with property A which has value &quot;1&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.autodesk.com\/in-the-pipes\/2015\/02\/13\/how-to-customize-an-unique-double-tag-in-autocad-pid\/\" \/>\n<meta property=\"og:site_name\" content=\"In the Pipes\" \/>\n<meta property=\"article:published_time\" content=\"2015-02-13T10:51:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-07-10T15:11:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/in-the-pipes.typepad.com\/.a\/6a00d835007d0b69e201b7c74c338b970b-800wi\" \/>\n<meta name=\"author\" content=\"Bernd Gerstenberger\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bernd Gerstenberger\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/blogs.autodesk.com\\\/in-the-pipes\\\/2015\\\/02\\\/13\\\/how-to-customize-an-unique-double-tag-in-autocad-pid\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/blogs.autodesk.com\\\/in-the-pipes\\\/2015\\\/02\\\/13\\\/how-to-customize-an-unique-double-tag-in-autocad-pid\\\/\"},\"author\":{\"name\":\"Bernd Gerstenberger\",\"@id\":\"https:\\\/\\\/blogs.autodesk.com\\\/in-the-pipes\\\/#\\\/schema\\\/person\\\/d1fa625792b224894813d7f9f5c45e5e\"},\"headline\":\"How to customize an unique double tag in AutoCAD P&amp;ID\",\"datePublished\":\"2015-02-13T10:51:30+00:00\",\"dateModified\":\"2019-07-10T15:11:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/blogs.autodesk.com\\\/in-the-pipes\\\/2015\\\/02\\\/13\\\/how-to-customize-an-unique-double-tag-in-autocad-pid\\\/\"},\"wordCount\":184,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/blogs.autodesk.com\\\/in-the-pipes\\\/2015\\\/02\\\/13\\\/how-to-customize-an-unique-double-tag-in-autocad-pid\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/in-the-pipes.typepad.com\\\/.a\\\/6a00d835007d0b69e201b7c74c338b970b-800wi\",\"articleSection\":[\"P&amp;ID\",\"Plant 3D\",\"Tips &amp; 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