Adding a Building Block

1. Click on "Add building block" in the top bar or in the sidebar.
2. Choose the type of building block you want to add ( a ). For more information on building block types, click here.
3. If you chose a descriptive building block type, use search field ( b ) to search for an ontology term. This term together with your building block type describes your workflow. If you want to add a building block with a unit, activate the unit box ( c ) and use the search field to look for a fitting unit term.

   • Example 1: Component [instrument model] will describe any mass spectrometry instrument model used in your workflow (source).

   • Example 1 | Table

     Component [instrument model]	TSR (MS:1000031)	TAN (MS:1000031)

   • Example 2 with unit: Factor [temperature] and degree Celsius as unit.

   • Example 2 with unit | Table

     Factor [temperature]	Unit	TSR (PATO:0000146)	TAN (PATO:0000146)

• If you cannot find a fitting term, you can write an issue to request an ontology term here OR use free text input.

4. Click Add column to insert the building block into an existing Annotation Table. The new building block will be added to the right side of the table. To change the position you can right-click into any cell (except the header) of the column you want to move and select "Move Column".
5. Any Input or Output building block will only add a single column, any descriptive building block will add three columns or four columns if it is created with a unit. Only the main column will be visible by default, all other reference columns will be hidden.
   • 👀 You can expand the hidden columns with the two arrows (>>) in the header of the first column.

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